I'm sure the couple raising him had absolutely no influence on him.
Fun fact: The first man to get highly publicized legal sex change surgery had it reversed later in life, saying that he was abused as a child and was unduly influenced by others around him pressuring him to be his 'true' self.
Fun fact 2: Studies show that over 60% of children and teens who transition go back before age 30. That doesn't account for the likely many who can't admit to themselves or others or don't want to go back because of commiting themselves and being mutilated.