Nobody wants to eat food that looks or smells unappetizing, no matter how much they’re craving it. It was engineered into human nature, back when humans hunted for food in the wilderness instead of gas stations. Now, c-store operators work hard to create a good visual presentation.

“If you go into a Casey’s,” said Stojack, “and you’re standing at the warmer and there’s the smell of fresh pizza being cooked, that’s part of the sensory experience that drives craveability. There are a lot of senses firing at a Casey’s.