'I am a girl': The plight of Tammy, the adopted son of two lesbians who started sex change aged 8 because he has always maintained he is a girl 'As soon as we let him put on a dress his personality changed to a very happy little girl thrilled to be alive'A boy who started the process of changing sex at age eight has told how he always knew he was meant to be a girl. Thomas Lobel, who now calls himself Tammy, is undergoing controversial hormone blocking treatment in Berkeley, California to stop him going through puberty...