I once remember reading something along the lines of "Ill live my life as if there is a heaven and hell, just in case..."
Males should feel the same way about their hair-
if you are not stupid and make it through your 30's without getting married, hair is an absolute asset.
Do everything you can, regardless of genetics etc. to keep it-
If that means taking a pill everyday, fuck it-Avodart is a wonderful invention!