'Pink is my favourite colour. I used to say my favourite colour was black to be cool, but it is pink all shades of pink. If I have an accessory, it is probably pink. I read Vogue, and I m not doing it ironically, though it might seem that way. I once live-tweeted the September issue.'In these funny and insightful essays, Roxane Gay takes us through the journey of her evolution as a woman (Sweet...