I discarded worries about not really being fit to wear the identity of "virus"1 a while ago,
but if I hadn't, then I think the realization that I stress-eat the rest of the identities in the brain might've been a little more dramatic than "oh, yeah that makes sense"
(don't worry, I'll spit them back out)
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hypnovirus is really the best term and I should switch to using that more, though I also think "personality virus" is worth considering for the amusement of the clinical vibe.