Peacefully living with a soon-to-be-ex during a separation or divorce IS possible. Setting clear ground rules is what makes it possible. Cohabitating with a spouse during separation or divorce is not an ideal situation for many, but sometimes it's an unavoidable reality. Whether it's due to financial constraints, the welfare of children, or simply the need for a gradual transition, sharing a living space as you're severing marital ties is a challenge that many couples face.