When I was a kid, I could taste the difference between different colored M&Ms. I thought the red was heartier, more of a main course M&M. And the light brown was a mellower, kind of after-dinner M.

Seinfeld riffs on a familiar childhood habit: assigning elaborate distinctions and personalities to things that are, in reality, identical. The humor comes from treating candy colors as if they signal different “courses” in a meal—an absurdly adult framework applied to a child’s snack. Beneath the joke is an observation about perception and suggestion: people often experience differences because they expect them, then rationalize those expectations with confident, quasi-expert language. It also exemplifies Seinfeld’s signature style—elevating mundane, everyday experiences into comic analysis—showing how ordinary consumer products become canvases for imagination and self-mythology.