The brain of a person in love will show activity in the amygdala, which is associated with gut feelings, and in the nucleus accumbens, an area associated with rewarding stimuli that tends to be active in drug abusers. Or, to recap: the brain of a person in love doesn't look like the brain of someone overcome by deep emotion. It looks like the brain of a person who's been snorting coke.
Jodi PicoultWhat makes you walk past thirty-thousand people without a second glance, and then you look at the thirty-thousandth-and-first person and know you'll never take your eyes off her again?
Jodi Picoult