People even split up by text message, they dump each other by text. Everything seems so disposable, so throwaway, but you have to engage with that if you're writing about the modern world. You've also got all these pop references that you feel obligated to make. They're just part of the bricolage of the whole thing, whether or not these are actually significant elements themselves.

It was around the summer of 1982 when the drug problem really impacted. It became a lifestyle rather than a recreation. When you start lying and stealing, you cannot con yourself you're in control any more.

Choose life … I chose not to choose life. I chose something else. And the reasons? There are no reasons. Who needs reasons when you’ve got heroin?

The books that are really valuable are the books that evoke a sense of place.

When people start writing there is this idea that you have to get everything right first time, every sentence has to be perfect, every paragraph has to be perfect, every chapter has to be perfect, but what youre doing is not any kind of public show, until youre ready for it.

I'd always done a lot of sniffing glue as a kid. I was very interested in glue, and then I went to lager and speed, and I drifted into heroin because as a kid growing up everybody told me, 'don't smoke marijuana, it will kill you'.

I think Scotland's got its own issues, in some ways similar to Northern Ireland with sectarianism, which has been a long-running sore. All the issues of land ownership, development resources, poverty, alcoholism and violence, all these things.