Rain...I think removing yourself when XF does his phone stuff is a great idea. Telling him why was also good. You are setting boundaries and now he knows what to expect when he crosses them. Phone = No Rain. Very simple and easy for him to understand that his actions will have consequences.
Of course...breaking his phone altogether has a certain appeal too.
Am I to understand that both you and NYGal are on board with me putting a hit out on his phone!? Because I can absolutely get behind THAT!:)