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Wrong.
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How is being a transgender not a gender identity disorder? A woman can't grow a penis as a man can't bear children. Biologically we are born one way, and mentally we may be different. That is gender dysphoria.
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There are symptoms associated with it. If you do not have those symptoms, you do not have it. Therefore, if you are transgender and do not have the symotoms associated with it, you do not have it. By your logic, all of us have depression because we get sad sometimes.