can i ask you about another element of this, you know, very complex set of issues, and that s about young people and body dysphoria. now, we know that a number of children get this feeling that they can t identify with the body that they ve been born with and they increasingly, it seems some of them, over time, want to change. and now in the uk, the law says that they can t have hormonal treatment till 16, they can t have surgery until they re at least 18, but there is a very active debate about whether it is wise to go down this track with children. you seem absolutely sure that it is not wise why? because children and adolescents are working out a number of things. sexual orientation is one of them. now, there s strong evidence