I've seen it all. I went from 1 inch to 17 and then back to 1 and believe me, I'm happy...
Ok, that was just scary.
In terms of hair though, I often mourn the fact that I cannot grow mine long. Well, I can, but the stage between "really short" and "cool and long" is "fugly". And that's a rather long stage to go through.
I just glanced at all that and almost ran away