Seriously, that's entirely subjective. You'll feel slightly dorky (for no good reason) for the first 5 minutes, then nada.
If you're really concerned about it, take 5 to look at the brands of helmets other people are wearing, then go buy the same.
I told my kids, "Someday, you'll have kids of your own." One of them said, "So will you."
-- Rodney Dangerfield.