Genetics controls gender, not upbringing
Very interesting article. Due to accidental loss of penis, parents and doctor attempted to raise son as daughter. Despite having been castrated and believing he was a girl, his behavior became increasingly masculine:
"The girl had many tomboy traits, such as abundant physical energy, a high level of activity, stubbornness, and being often the dominant one in a girl's group."
Yet by the time Brenda reached puberty at 13, she was feeling suicidal.
"I could see that Brenda wasn't happy as a girl," Janet recalled.
"She was very rebellious. She was very masculine, and I could not persuade her to do anything feminine. Brenda had almost no friends growing up. Everybody ridiculed her, called her cavewoman.