How old is your oldest pair of jeans?
One of the very few advantages of being absolutely teeny tiny is that you don't grow out of clothes from your teens. I've had this pair of blue jeans since age 14 and they're turning white now. As a sort of project for myself I refuse to throw them away, and will instead keep fixing them. Eventually there will be more patches than original material.
So here we have the casualty of me running up the stairs too vigorously: a big old hole in the bum.
You can see the faint outline of an older repair to the left. I REFUSE TO GIVE UP ON THE JEANS.