Keep a trimmed beard, I can't stand it when it gets long and wake up with crazy beard hair.
Can't have a shaved face at all, I don't want to look 12. Started growing a goatee right out of HS and have kept facial hair since.
Gonna be 40 this year and my beard is already mostly gray.
I could fix the airlines, and all of the BS almost instantly. Charge for overhead storage, don't charge for checked baggage, load the back of the plane first.