"Lost" means depressed to males, I think. There's no way to tell how long it will last without treatment. OW is symptom, not cause and certainly not the treatment. It's a self-medicating addiction and avoidance of depression measure. Sorry you are going through this. You might need to figure out how to detach some at least until she moves and he starts realizing he's stupid with this. Unless someone on the infidelity thread has a better idea. Sometimes they do because they deal with EAs and PAs all the time.
