No. Its running away and against the law. Because its most likely teenage hormones making arrogant decisions.
No. In the strict legal sense a grandparent (or anyone) cannot take a minor child anywhere without permission from the custodial parent(s) or guardian.
Legally as in without parent permission? Peircings are legal anytime in your life
Not legally.
yes
No, you cannot.
Yes
Legally, yes, unless it is pornographic. They may not approve, however.
Specifically in Florida?
Normally, a parent, grandparent or legal guardian.
yes but must be with parent supervision
You both need to be eighteen to do it wihtout permission, because then your parents can't legally force you to stop.
In Texas, a minor can legally leave their parent's home at the age of 17 without their parent's permission. This is because the legal age of majority in Texas is 18.