It's what he's doing now. He is most likely going to do it, just expect it and plan your self-control.
Don't text this to your H, or show this to your son. You son is ok with it.
It's just time to take care of yourself. Go do something else. How about a movie--go to a movie--it has worked for me in changing my mindset. Force yourself to change your mind.
sg Love is PATIENT, love is KIND, LOVE never fails / DB since 2001