none of us know your husband, very few of us would be inclined to advise you to stay or leave at this point.
i would recommend that you read as many posts as possible on this site, while each of our stories is different, we are all very much alike.
the utmost first thing you must do is draw a line in the sand NO MORE CONTACT WITH THE OTHER WOMAN. tell him straight out, 'I DON'T WANT TO HEAR A DAM* THING ABOUT ANY FRIGGIN CONNECTION YOU HAVE WITH HER, 'i am your wife, not her, it is either me or it is her'. let him know that any further contact is a deal breaker.
therapy is very important, just be sure that your therapist is familiar and has had experience with infidelity. this is very very important.
he must have an open door policy (your husband) - you should have access to all passwords, where he is at all times, truth and open communication.
while i know you feel like falling apart right now, you simply can not - often times the pain and heartache of it all takes every bit of energy out of us. give yourself some time to mourn the loss of the man you wanted him to be, but do not dwell on it - i know, easier said than done. but you are talking to someone who has been thru this before and made every mistake possible.
things have changed, things are different now - YOU ARE IN CONTROL OF YOU - he no longer is in control, THIS HE MUST UNDERSTAND. he had his chance to protect you , and he friggin blew it - he has shown you the type of man he is BELIEVE HIM.
i will share with you that i fell apart, totally fell apart - oh my God if i could only go back and redo that. my husband took advantage of that, he 'said' he was sorry, but he was not he was only sorry that he got caught. there is a big difference!!!!!!!!!!!!!!!!!!!!!!!!!!! for what ever reason i chose to focus on the pain of it all, it was if i was living in a dam* dream, if only i improved, did better, treated him better, are you understanding what i am saying. i was willing, no, i changed for him - it was all about him, i no longer mattered any longer. i totally lost me and now i am older and so saddened that i gave away all of that power please do not do what i did.
nothing in life is hopeless, not if you BOTH really WANT it. everything is possible. that is the power of love, but he has to WANT IT AS MUCH AS YOU DO or you will find yourself back at square one, only difference it will be a different woman.
you are all of that and a bag of chips, not her, you. if he does not see it, well it is up to you to tell him loud and clear. "if i am not what you want, don't let the door hit ya, where the good Lord split ya" - YOU'RE OUTTA HERE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
please love yourself enough to make your happiness what is most important. then and only then can you or will you be the woman and mother you want to be.
marriage is suppose to be a mutual bond of respect, emphasis on mutual.
we are here for you, we care, we have been where you are.