You need to find out where your husband lye with what is and is not cheating but NOT NOW. I really suggest the melitonin for a little because it can be sedating and I doubt you're sleeping. Therapy is a wonderful idea because you will crash. Can you text your husband through out the day and leave him voice mails through out the day? Would he mind you waking him up in the night when you feel like having sex? It really sounds like your not having sex enough and not intense enough.