Met my husband mistress

Got annoyomus message saying my husband has been unfaithful so I confronted him about and he told it was true and he's willing to work on it so he blocked his mistress number and with our phones we can go to settings and see if that person still text and call. She still messages him although he can't see it. So I confronted her and she talking about he's hers and things like that but she doesn't know she's blocked and we're going to see if we could go see a marriage counselor and he's proving to me that he wants to work on us and he's willing to work on himself.

I realize I said he can't see it. I meant to say he can still see it