You're a serial cheater leave him alone. Also you didn't come clean, coming clean would mean confessing without getting caught. Have you thought about what you did to make be that way towards you? I doubt he just decided he wanted to sleep in another room, you only mentions his behavior, but what caused him to do that? Your remorse is never gonna be sincere, because you have already done it once and then you do it again? You're right your boyfriend does deserve better. Focus on yourself, discover why you keep cheating before getting in a relationship