At what age should non-rock stars and non-tattoo artists grow out of the facial piercing stages?

what age should they grow out of that silly fad?At what age should non-rock stars and non-tattoo artists grow out of the facial piercing stages?
When they try to get a job.


Scratch that, when they move out of their parents' house and try to get a job to support themselves rather than just enough money to buy clothes.At what age should non-rock stars and non-tattoo artists grow out of the facial piercing stages?
At what age should people grow up enough to understand that what they find ';acceptable'; or ';not acceptable'; for them personally should not be imposed on everybody else?