Do not talk to his mother about it! This has nothing to do with her and, trust me, blood is thicker than water. She will jump to his side at some point even if she is sympathetic to you. Do not drag family members into your R, it only leads to more heartache.
Second.....lock your door! He can't come in and disturb you in the morning if he can't access your room.
Do you have any way to move out of the house yourself? If he refuses to leave and is throwing the 'I pay for it' at you then you are left with only one option and that is to take your kids and leave. If this means being homeless, then there is no way you can do that. If this means finding an inexpensive apartment that may even be too small for all of you, it may be the difference in keeping your sanity.
T19 M15 S19 XH47 M43 bomb12/4/07 PA5/07 S12/26/07 D final 11/17/08 Back together with no defined R 05/2010 confused....to say the least!!!