I certainly don't have long flowing locks. My hair is curly. Cute when I was 6 but not so much now. So, I keep it short. Even if I did have long hair, I wouldn't be scrunching up it up to form a bun on the top of my head. Like a hairy dumpling.
Jesus didn't have a man bun so why are men all over the world sporting this hairstyle? There must be another reason.
Is it a personal GPS or radar system?
Did it start as a pimple that you ignored and then calcified?
Maybe the twin you ate in your mother's womb is trying to escape.
Do you keep your spare house keys in there?
Is it a type of a camel's hump? Storing fat in case you get lost in the desert.
Do you use it to boost the wi-fi at home?
Did bacteria on your skull finally evolve? Became self-aware and built the hairy ball to please the gods.
A sanctuary for the endangered Lithobates sevosus or commonly known as the Mississippi gopher frog.
Or simply that you are confident in your own skin and don't follow the norm of society. That you are proud to say I have long hair and keep it in a bun.
Personally, I'm going with the twin you ate trying to escape its hairy bun prison.