Oh there is a lot of tattoo regret out there, you're right! (tattoo removal is a big business now...)When they get older want them removed....
It's not something ppl should rush into, right? if even done at all.
Today it does seem to be something that so many 18 year olds (both genders; it used to be a man thing) do as a matter of course. (They should think very very carefully...)