I have a weird family and they’re probably the biggest influence on my characters. My parents, my brothers and all the way through my aunts, uncles and cousins are warm, witty and completely unique – and I’m proud to see that my eighteen-month old daughter is turning out just the same. Let’s be honest, I’m a bit of a weirdo myself. So it didn’t surprise me that, when I spoke to my mum after she finished reading my new book,…