Should a gay writer be a gay writer?

I don’t remember deciding to become a writer. You decide to become a dentist or a postman. For me, writing is like being gay. You finally admit that this is who you are, you come out and hope that no one runs away. (Mark Haddon, author of The Curious Incident of the Dog in the Night-Time)

I recently saw a debate on Twitter about the responsibility LGBTQI+ writers have to use their own experiences in…