The advertisement of Eat Rainbow comes from the advertisement of rainbow sugar, which aims to promote rainbow sugar, that is, rainbow sugar can replace many things that can make people feel happy; Later, someone changed this sentence to "If I were a rainbow, I would only meet _ _ _ _ _ _ _ _ _" as a more straightforward confession, that is, "If I meet you, I will eat you."

Eating rainbow candy can make everyone feel happier when they meet a rainbow.