The Null Device

Actually, Lev, phenylethylamine (PEA) is a neurotransmitter; it is responsible for the condition commonly referred to as falling in love (and one develops a tolerance to it within 18 to 24 months, which is why most sexual relationships end after that time, unless other neurotransmitters kick in). I think you're thinking of phenylalanine, which gradually causes dementia (an unrelated, though some would argue superficially similar, condition).

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