It is not adultery if you have already separated If you engage in a sexual relationship with someone while you are still legally married, it is technically adultery even if you and your former partner do not live together anymore and are no longer emotionally or physically in a relationship.

Can I live with someone while getting divorced?

If you choose to live with a new flame while your divorce is pending, a judge may consider your cohabitation during your divorce. For example, living with someone while your divorce is pending wont be considered adultery.

Can I move out during separation?

In the event of a separation, both parties are entitled to live in the family home. It does not matter who has legal ownership of the house. One party cannot force the other to leave the house and there is no law which enables you to kick the other person out.