I've got most of both arms covered from shoulder to wrist and I can honestly say that I've never considered how they'll look when I'm 80.
It'll be different for everyone but I've always looked at mine as a kind of map of my life. I can look at each piece and be reminded of the idiot I was in my...
Someone I sort of knew has had his arms entirely inked over in black because he'd gotten bored of the ones he had on there already and is now getting white inked tattoos on top of the black ink.
Seems mad to me, and I've got a bunch of tattoos.