This is a candy that helps to fulfill love. I believe the words of people who say that if you confess with this candy, you succeed.
Avatar: The Last Airbender - Book 2, Episode 2 - The Cave of Two Lovers
Remember when they traveled with the singing hippies?
Katara: “Sokka why is your forehead red?”
Chong: “No one react to this but I think that kid is the avatar.”
Sokka: *Slaps his head.