the.com/jealous
love's bodyguard who keeps tackling people who were never a threat
green originShakespeare named it the green-eyed monster in Othello
brain overlapIt lights up the same regions as physical pain
not envyJealousy guards what you have; envy wants what you lack
baby proofInfants show jealousy by six months old
survival glitchEvolved to protect mates, now ruins group chats