Muslim guy here, I had a girlfriend (atheist) at one point..
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How far would you go physically with your bf/gf?
Cuddling and holding her hand or my arm around her waist
Would you have sex before marriage? No.
If you don't do anything physical with them what makes them different from being just a friend?
We both liked each other romantically and I don't think you need to be physical to have a romantic relationship with someone (well not immediately anyways)
How often do you meet up with them? Not often, as we live in the same region but opposite sides and I only really went on 3 dates with her before we decided it wasn't really meant to be. And that was really why we broke up because I couldn't see enough of her and I didn't think she was putting her all into the relationship
What do you do on your dates?
For our first date we went to a coffee shop and I bought her a drink and we sat for a good few hours talking about our feelings for each other and all that romantic jazz.. it sounds stupid now that I say it but I was crazy for her at one point. We went for a walk as well and just went around town. It was fun.
Our second date was at a cinema and we watched a movie, cuddled and all that jazz and I asked her to be my girlfriend (not seeing the immediate one-month end of our relationship)
And we've been talking for a whole year since our relationship... but I haven't asked her out again because the same problems exist and she's an upper class girl, I'm a lower class guy and we don't have much in common.. I felt like I was basically driving the relationship...anyhow, she's moving away so if we couldn't manage a few miles, I doubt we'd manage a couple hundred.
With regards to being Muslim and in a relationship, I was conscious of my religion and so I had plenty of opportunity to kiss her but I didn't. I did keep the relationship hidden from my immediate family, but that's more due to culture rather than religion.
If you have any questions, I'll be happy to answer them