Most people with good jobs, middle-class occupations, what have you, are only one pitfall away from social embarrassment and destitution. It's so precarious. Even salaried people in the West now feel this sense of being trapped, not having the freedom to strike out.

Bruce, you’re an ugly and silly old man. You’re very possibly an alcoholic and God knows what else. You’re the type of sad case who preys on vulnerable, weak and stupid women in order to boost his own shattered ego. You’re a mess. You’ve gone wrong somewhere pal.

There's that horrible-beautiful moment, that bitter-sweet impasse where you know that somebody is bullshitting you but they're doing it with such panache and conviction...no, it's because they say exactly what you want to hear, at that point in time.

I think the media in America have been absolutely fantastic about the rise of Trump, they've kept a firm eye on the ball: this constitutes democracy, this constitutes transparency, this constitutes fairness, this constitutes the way to behave in a civic society, this constitutes fascism, this constitutes authoritarianism. They're drawing that line, and they're calling him out every time. That's really what needs to happen, and you just have to do that.

The subsequent success levels, all the other stuff [after Trainspotting], it comes at a much higher level.

I think young writers should get other degrees first, social sciences, arts degrees or even business degrees. What you learn is research skills, a necessity because a lot of writing is about trying to find information.

There's no one way of telling a story or looking at reality, so I think any device is up for grabs as long as it fits in with the tone.