I knew I wanted to write about female friendship. I've got a few friends I've known since we were teenagers, who have spanned the decades, and I do find that a fascinating thing, that friendship can last that length of time.

I knew I wanted to write about female friendship. I’ve got a few friends I’ve known since we were teenagers, who have spanned the decades, and I do find that a fascinating thing, that friendship can last that length of time.