I got to be about 13 and everyone started playing guitars and being in rock bands. There was no place for me with my trumpet and I wasn't cool anymore. Although now if I played the trumpet it would be the coolest thing in the world.

I live by myself, which I love. In this industry, you're so often surrounded by people and busy and talking to people. It's kind of lovely when you get home to just chill out.

I like to travel, but honestly I really like to just be at home in London and spend time with my friends.

It's really important to take time for yourself because if you don't know what it is like to be a real person and spend time with a sense of normality, how can you play normal people in films?

Have you seen Cowspiracy? It takes a lot more land to feed a meat eater than to feed a vegan or a vegetarian. It's something I'd love to get into but it's very hard to persuade people to stop things they've been doing for a long time. So maybe it needs to start with the next generation. Everyone needs to raise their children with a bit more responsibility.

One of the biggest things I used to struggle with was about things like going on holiday. Whereas all your friends can talk about something and plan something all year long, I know that I'm probably going to be away and I'm going to miss all of it. If a job comes up, you just can't be there.

I fell in love at 14 and I remember that mad, tense feeling and all the mad things you do for the person - all those extremes and all the stuff you don't mind putting up with.