Most Helpful Girl
Your legit reason is that you don't want to do it anymore, it's not working. That's it. That is all you need, all that is required of you.
But, uh... if his temper is that bad, you may wanna do it in a quasi-public place. And then lay low for a while., Just saying... and that is the Voice of Experience talking. Good luck- and keep your head down.1