If you don't have kids to consider, or you just can't bear to be under the same roof as him, ask him to leave.
He is the guilty party here, so he should be the one to go elsewhere and give you some space to work out whether you want to try to save the marriage.
When Michael Lockwood was a single divorced dad, he'd often write down dating advice that he planned to give to his daughters when they grew up.
If he can't assure you that the affair is over, that he is sorry for the betrayal and committed to rebuilding the marriage and earning your trust back, you need to accept that the relationship is over.
Begging him to stay with you may be your initial reaction out of fear and insecurity, but it is not a healthy place from which to repair your broken marriage.
You deserve better than that, says psychologist Phil Mc Graw.
You may be dating a married man without realising it, but the signs are there if you know what to look for . For example, the type who sweeps you off your feet and then, just days later, acts like a complete stranger.
Every woman has met their fair share of dodgy guys.
You need to take some time to process what has happened and what your husband has told you about the affair.