Hey Levy welcome to the site!I'm 23 and was recently in the same shoes as you.I made the decision to buzz it down when i first noticed thinning and then as things progressed i buzzed it down even further. Then around this time last year i went for the razor and did the deed.I won't lie to you, It hurt as first. I couldn't believe i was having to shave my head at 22 years old to feel better about my thinning hair.. I thought 'Man young people like me shouldn't have to deal with this kinda sh*t!'I now know that hair loss can begin at practically any age, even to someone in their teens..The trick is to do the deed and then get out there, Don't hide away in indoors but get out in the sun and be recognized as someone who had a problem and dealt with it/moved on!Keep busy and look to improve yourself in other departments, Whatever may have been bugging you whether it be your level of fitness or your inability to work basic math. In time you will most likely come to like your shaved head and it will no longer be a bother, You'll be too busy feeling good about yourself!That last bit may have sounded somewhat lame but i assure you that things DO get better!Stick around and make use of the site, There's a pool of useful info here to make your transgression that much easier ; )