While Americans’ excessive use of Tinder has become a public nuisance, it’s not entirely users’ fault. Tinder is designed to play off your brain’s internal chemistry and get you permanently hooked, according to experts—which is why it’s nearly impossible to quit.

We talked to neuroscience, psychology, and social-media experts, who revealed the real reasons Tinder is addictive—and it has nothing to do with scoring a date.