I think the secret of memoirs is keeping those parts of yourself off the page, which makes what you do share more valuable.

If you are a Scot living outside of Scotland but still in the UK, you are not allowed to vote in the referendum. This leaves over a million of loyal, proud Scots disenfranchised. It gives me the rage.

I started writing when I was a journalist. But every time I sat down to write a novel or a story, I ended up writing about myself, which was incredibly annoying and self-involved.

I think the secret of memoirs is keeping those parts of yourself off the page, which makes what you do share more valuable.

The hardest bits of my book to read were the easiest bits to write because they were the most immediate. Probably because I had never stopped thinking about them on some level. Those bits I was just channelling and those were the most exciting writing days. The bits I found harder were the bits that happen in between, you know, the rest of living. There were whole years, whole houses, that I just got rid of.

You don't realise how much you're holding onto until you start to let go of it. I had had loads of therapy and thought I had come to terms with who I am, but there's something in the process of writing that unlocks other experiences, other emotions and you have to be prepared for that.

I had to do things to myself on the page that had been done to me in real life. I had to try and drown myself in the bath. You have to do that. And the impulse is to rescue yourself and to spare the reader, but I can't rescue myself. And why should I spare the reader when nobody spared me? It's telling people what happened.