He WILL age like a man, receding hairline or friar tuck bald top, lots of hair will grow in his nose and eyebrows. He'll get the MALE pot belly.
Taking his genetalia away isn't going to grow him a uterus.
HE will ever be SHE. HE will also have to face his Maker someday and explain why he listened to Satan about his gender.
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I'm not sure that's required. Consider Bruce Jenner.