I think you've really got to cling to what makes sense to you. Obviously, I'm not a serial murderer in my real life, so that's where you have to delve into and do all the research. But, you have to find something likable in the character.

I've always needed to bulk up, so until the modeling took off I was ramming Big Macs down my throat and doing plenty of bodyweight work. I'm over the Big Macs now, but I'll still drop down and do my press ups whenever I find the time.

That tag - underwear model - I just can't get rid of it. And it's such a bizarre, specific thing - underwear. It's like I never modelled clothes.

I'm not afraid to play the role of Christian Grey. Because I'm not like him. But I perfectly understand him. I never thought that he was a monster. He is simply woven from desires. As every one of us.

I'm probably the worst person for 'Men's Health' to interview.

You're in a very nice position as an actor when you're portraying a piece of history that actually happened and portraying characters that actually existed. There's so much more to draw on and your research as an actor becomes much easier than if it's some fiction that you're trying to create a world around and background and history.

I don't like my physique. Who does? I was a skinny guy growing up, and I still feel like that same skinny kid.