Theoretically we are free to select the kind of person we love. We might have chosen someone else. We’re not being forced into this by social convention or match-making or dynastic imperatives. But in reality our choice is probably a lot less free than we imagine. Some very real constraints around whom we can love and feel properly attracted to come from a place we might not think to look: our childhoods. Our psychological history strongly predisposes us to fall for only certain types of people. We love along grooves formed in childhood. We look for people who in many ways recreate the feelings of love we knew when we were small. The problem is that the love we imbibed in childhood was unlikely to have been made up simply of generosity, tenderness and kindness. Given the way the world is, love was liable to have come entwined with certain painful aspects: a feeling of not being quite good enough; a love for a parent who was fragile or depressed; a sense that one could never be full