I'm not clumsy, I'm just accident prone.

We sing a lot of the soundtrack in this film [Swiss Army Man] - me and Paul Dano - and on the last day of filming we had to just get into the back of our sound mixer's van and record a really crappy, rough version of the singing then. For some reason that was one of the most fun days.

As an artist, you have a path that you're on that evolves with the kinds of stories you want to tell.

Yes, gay marriage is about symbolically blessing a relationship, but the larger issue is about transmitting a fundamental message about equality. Gay people should have equality in law everywhere.

Don't try too hard to be something you're not.

Just keep acting is my plan, I just want to keep going for as long as I can. I've had a fantastic time on Potter, I will be very sad to leave it because every time I look back on one of these films, every scene I watch will be forever linked to a memory of what happened that day or something that was happening around that time in my life.

I'm a serial monogamist. I'm not one of those people that can date loads of people at the same time, it's all too complicated.