a likely benefit triggers action
You do something because you think it might be good and you’re too dumb to care about the mess it makes later.
He got a tattoo because he thought it would look cool. Now he’s stuck with a dragon on his arm and a $200 bill.
She started a diet because she thought she’d lose weight. Now she’s eating donuts and crying at the gym.
He bought a car because he thought it was a good deal. Now it’s broken down on the side of the road.