Dylan's nutrition-related advice to his friends is an example of an "anecdote".
An anecdote is a concise, uncovering record of a distinct individual or an incident. Occasionally clever, accounts contrast from jokes in light of the fact that their basic role isn't just to incite giggling however to uncover a reality more broad than the short story itself, for example, to describe a man by portraying a particular quirk or characteristic, to convey a unique thought regarding a man, place, or thing through the solid points of interest of a short account.