Fake running away sometimes works, depending on them. If you do either A. They'll get ticked off at you if you try to come back or B. They'll get all emotional and want you back.
I don't know how your family is.
I don't recommend this really though since no matter what someone's going to feel hurt inside, the thing is sometimes it helps them realize something.
And yeah, going to Arizona is a good decision.
And just going insane works wonders, and it's fun to finally get all that off.
Keeping stress built up is bad for your health anyway.