None of which works a goddamn, resulting in no one sitting on you at all.
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Noooooo.
Almost all of this advice relies on the premise that this friend of yours is just waiting for the right combination of words to activate them, like some kind of passive lust receptacle. The whole idea of "escaping the friend zone" denies these people their own sense of agency; nowhere is it ever considered that, if someone's known you long enough to become your friend and they haven't sat on you yet, there might be a reason for it.
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It's your flaws. Your flaws are the reason.