In? Out? Confused by the whole thing? In a glamour exclusive, we took your questions to the Prime Minister to help you decide. By political commentator Sonia Purnell
With 50 days until the European Union referendum on June 23, now is the time to make up our minds on whether to remain in the Euro-club or go it alone and leave. As David Cameron has repeatedly told us, the way we cast our vote will probably be the most important political decision of our lives.
Could we make it as an independent nation looking to the world at large, rather than our European neighbours, to make a living? Or should we work to improve the EU from within and cooperate with our fellow Europeans to build a safer, better, more prosperous bloc of nations together?
Six years into his premiership, Cameron has staked his political credibility and perhaps even his career on staying. Foreign leaders, from President Obama to the prime ministers of New Zealand, Australia and Canada, have backed his arguments that we would be better off in.
But there are equally persuasive voices on the out side, not least the ever-flamboyant Boris Johnson - the now ex-Mayor of London - and the Prime Minister's one-time close friend, the fiercely intellectual Michael Gove. They argue that we would be freer to seek a new life and new opportunities outside the EU.
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The result is still unpredictable, not least since so many of us have still not decided what to do. So GLAMOUR asked me to spend a day with the Prime Minister as he tried to persuade staff at accountancy firm PricewaterhouseCoopers' Birmingham office to vote Remain. We wanted to see close up how compelling he is in his efforts to woo our support.
It was immediately clear that he is an impressive performer in front of a crowd. He talked persuasively for 30 minutes on the business arguments in favour of an in vote, and soon, many of the hundred or so people huddled into the office atrium found themselves nodding in agreement.
Afterwards, one woman in her thirties, director Clare Maio, came to tell me of her impression that Cameron "clearly believed" in his case and had made it so forcefully that "anyone with preconceptions about leaving will definitely now reassess their position".
Yet despite Clare's enthusiasm, Cameron is far from certain of winning everyone over - and there is no doubt that he does not want to be the PM who goes down in history as the one who took us out of the EU.
Only my privileged vantage point inches away during his without-notes address revealed something of the strain he is currently enduring. While being introduced by the firm's senior partner, the PM clenched his white-knuckled hands together and dug deeply under his nails with both thumbs. Once he began speaking, beads of sweat collected on his upper lip on what was a relatively chilly day.
His blue suit, though, was immaculately tailored, with a flash of shocking pink from the lining of the jacket. This was a man who dressed the part, but his grey-blue eyes never stopped darting around his audience, as if constantly expecting trouble.
There was no doubting that Cameron's style was reason over romance. As he admitted later, when we withdrew for an exclusive one-to-one discussion, he is first and foremost a "very rational" being, interested in facts and arguments. He is not given to flights of fancy or soaring emotion about Europe - and speaks only schoolboy French. To him, the most important argument in favour of remaining in the EU is a hardheaded economic one - to avoid "needless and reckless" uncertainty, but also the trade restrictions and extra costs that could wreck the economy and destroy jobs if we left.
If we vote out, he invites us to imagine a world "where a British airline isn't allowed to fly between Rome and Paris; where farmers are slapped with a tariff if they want to export more beef to Europe; and where great British telecoms companies and car manufacturers face new barriers when trying to sell goods and services to customers in Europe". He asks us to consider the question: why on earth would we do this to ourselves?
So, I grabbed the chance to put some questions to him on Brexit, submitted by you, GLAMOUR readers. The replies were very revealing.
Q Why is the economy your top reason for remaining in the European Union? Is it all head over heart?
Leaving would be a clear act of economic self-harm. The more you talk about the economic effects of leaving, the more the argument for remaining falls into place. Simply put, we would be better off staying. I do also sometimes get quite emotional about [the EU's original purpose of restoring peace to Europe]. It can get incredibly frustrating sitting round the EU negotiating table, but then I remember that however bad it gets, you need to cast your mind back 70 years ago to when the continent was at war. That gives perspective. Of course, like all organisations, the EU has its flaws, but it doesn't mean you just walk away. We have to get the right relationship with the EU, and I think I have negotiated the best of both worlds for staying in.
Q Why are we having a referendum? Isn't it your job as PM just to tell the public what is right?
For 40 years, we've had this uncertain and frustrating relationship with the EU and you can't hold people in an organisation against their will. So I've tried to go off and correct the things that most frustrate people about it, such as that it was too much of a single-currency club, or too much of a political union, or too bossy and interfering. I've got a better deal for Britain on all these matters. We already had a special status and it's becoming more special. But now we have to make this hard-headed decision, the most important political vote of our lifetimes. Prime ministers are the servants of the people and the people will now judge the deal I've negotiated for them.
Q Other families, such as Boris Johnson's, are split right down the middle on Brexit. What about yours?
We're all on the same wavelength. My mother told me last night she's even converted a few people to Remain.
Q In the case of Leave, are we heading for another Scottish independence referendum?
I don't want another one; the last one was very clear. But you can't ignore the fact that [Scottish First Minister] Nicola Sturgeon is saying there will be another if we vote Leave. Caring about the stability of the United Kingdom is another reason to vote In.
Q Will you resign if we vote Leave?
No. This vote is about Britain, not the future of this or that politician. Leaving the EU is not impossible to deal with, but it would be very difficult. Determining a new relationship with the EU - whether on the Norwegian, Canadian or any other model - and new trading relationships with other countries of the world would consume an enormous amount of energy and a lot of time that could better be spent on other things.
Q Will the bad-mouthing and resignations of the campaign come to an end after the referendum? Will the uncertainty over the EU stop once and for all?
Of course, with such a massive issue, you're going to have frictions. It's a unique situation, so I'm confident that afterwards we will be able to put everything back together. That said, Europe will remain a more compelling issue than any other for some people. I'm not expecting Nigel Farage, for example, just to go and play golf if it's a Remain vote. But the rest of us will be able to work at last with certainty over our future with the EU.
Q Have you felt hurt by Michael Gove, for instance, campaigning to leave? And what about Boris, who has been very critical of you?
It's frustrating, because I think they have made the wrong decision, but they're politicians and they have to decide. But every Wednesday morning, Michael Gove still comes to prepare me for Prime Minister's Questions. And likewise with Boris, there has been seamless working with him as Mayor of London all through the last six years… I'm still friends with Boris, just perhaps not such good friends.
Q Post the Paris and Brussels attacks, many people think it would be safer to leave the EU. Do you?
No. There's a natural tendency to think these things are happening on the continent, therefore let's separate ourselves from the continent. Of course, you can't do that. British people get caught up in those attacks, and they could just as well have been directed at London or Birmingham. We all face the same terror networks. The question is: are we going to do better facing them together? [Europe is now key to our safety] because of its vital [terrorism and criminal] information-sharing mechanisms. If you listen to what the heads of MI5, the National Crime Agency, Europol and others have said, it's that sharing that information is vital. We would have to restart such arrangements from scratch if we left the EU.
Q Do we have to leave to be able to control our borders?
That's a total myth. Right now, we can check every single person, every single car coming in. We have not taken down our borders, because we're not part of the Schengen borderless area. People who want to come to work in Britain have the right to come to work. But if we think someone is a security risk, we can turn them away, and we have turned away some 6,000 people since I've been PM.
Q Would leaving damage the NHS?
There would be an economic shock leading to a smaller economy and less tax revenue to fund your NHS. It's also a miscalculation to think, though we are training more nurses and doctors, that we won't still rely on staff from abroad.
Q Will you win?
It could be very close. But the more that people know the facts, the stronger the In case becomes. This really matters for our country's future, so don't rely on other people voting. Go out and vote yourself.
Five reasons…to leave
- We could become a more independent nation, eventually striking our own trade deals with countries all round the world.
- We would no longer be subject to laws emanating from the European Commission or liable to subsidise other European countries poorer than ourselves.
- It would be more difficult for EU citizens to come to work here, so there might be less competition for our jobs.
- We might save up to a net £8 billion a year in contributions to the European Union and would no longer fund the high salaries of Eurocrats in Brussels.
- We'd no longer be part of a Union that some people see as undemocratic, unaccountable and resistant to meaningful reform.
Five reasons...to remain
- Leaving would create economic uncertainty. Half of all our overseas export trade is with the EU and it will take years to renegotiate our trading relationships with those countries (and others). In the meantime, we might have to pay tariffs that could put up the price of a bottle of wine by a third, or a European car by 10%.
- Over three million jobs are said to be dependant on that trade with the EU.
- The EU allows us to share vital information on terrorists and criminals that many security chiefs claim makes us much safer in than out.
- We can go to live and work in the EU as we wish, and we can influence what the Union does with our seat at the negotiating table.
- Higher and more uniform standards in all sorts of areas, from compulsory seat belts to compensation if your plane is delayed.
The deadline to register to vote is June 7. Make sure you have your say by visiting
Sonia Purnell is a political commentator and biographer of and .