Anyone who has been in love knows how addictive that uplifting, happy feeling can be. Well, the chemical in your brain that causes love is called “dopamine.” This chemical also causes those passionate feelings of lust, the urge to gamble, and motivation for success. It just so happens that serial killers and psychopaths have an overactive amount of dopamine going on in their brains. So they’re pretty much addicted to feeling that excited dopamine rush all the time. If life is just “OK”, and they’re they’re not feeling some kind of satisfaction from “winning” something, they find other ways to satisfy their addiction–like manipulating people into get what they want.
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50 Facts about Serial Killers and Psychopaths
RandomJust a list I took from the internet cuz I figured maybe a lot of people don't use the internet very often so yeah. ( Credits : the internet )