Shows I saw about MTF transsexuals in the seventies seemed to reinforce this view. (It didn't help that they were usually portrayed by cis women, giving me unrealistic expectations as to how I might look.)
In the TV series "Soap", the gay character played by Billy Crystal decides to undergo SRS--for awhile, anyway. But as he's explaining what will happen when he takes the hormones, he says (among other incorrect statements) that his facial hair will fall out--patently wrong. Never mind that the episode also gives one the idea that you can walk into the hospital as one sex and walk out another.
Had I known how difficult--and expensive--it is to lessen the effects of hormones after puberty (facial/body hair, longer jawline, heavier bone structure, etc.) I might surely have reacted to my puberty as Mars reacted to his.
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