Leaving the house would be abandonment and it would hurt you in terms of custody issues, the right to return to the house, and maybe even lock you into paying more than you are legally required to pay. Rather than leaving, why not have her served a divorce summons? Many people go through the process while living together until an agreement about a move can be made. She will be forced to hire a lawyer once your lawyer has her served and starts the court process. Good luck.
Answered on Feb 12th, 2014 at 8:11 PM