Gender roles are learned not inherently known. It's fine to identify as whatever gender. Don't ridicule people for how they express it.
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Holy crap. It's unreal how accurate this is
However, if someone says something homophobic and you point it out to them and they apologize and refrain from saying it again, that's different. Some people don't realize the harm of "that's so gay!" until they're told
Three months, 2 five pound weights and 4 times a week! This arm workout REALLY works! You can get rid of arm fat and flab, I promise.