Why are Jolly Ranchers so good?

high fructose corn syrup leads to addiction and obesity

High fructose corn syrup coupled with pleasing colors to the eye, a faint, yet inviting smell, and a texture that only leaves your taste buds yearning for more leads to a superb candy that pleases 4 of the 5 senses. (Sorry, ears. Jolly Ranchers do nothing for ye.)

afghanmoose hit the nail on the head