Genetics. I see a lot of guys with buzz cuts or shaved heads. That's always an option.

An old friend of mine went bald by the time he was 21. There is nothing you can do to stop it. Just accept that you will be bald in your 30s and move on with life.

you'll be bald by the time you're 30, probably from jerking too much - or not enough.

alas, life for you is over chromedome