Sometimes a book comes into your life at the exact moment you need it. It’s a rare thing but it can suddenly change the way you look at your own life and if you’re lucky, it can also start to recalibrate the way you think. When I was browsing in Waterstones last week, having gone in with the strict intention of ‘not’ buying anything,my eyes were quickly drawn tothe canary yellow cover of Matthew Todd’s new book, Straight Jacket: How to be gay and happy. I read the blurb on the back cover and...