Little Zach was just three when he began refusing to live as a boy, instead choosing to wear pink dresses and ribbons in his long, blonde hair - because he has Gender Identity Disorder GID. Parents Theresa and Darren Avery, 41, became worried by Zach's behaviour and took him to the doctors. I would rather him have my full support. Is a five-year-old capable of choosing to be a different sex? We will also assess their general wellbeing. Mum-of-four Theresa said: "He just turned round to me one day when he was three and said: 'Mummy, I'm a girl'. He became obsessed with the girly kids' TV character Dora the Explorer and started dressing in girls clothing.