It's not necessary to believe him about all that he did in the past at this point. Don't waste time and effort going over what Satan has done to your family. Go strictly by the Word of God. Any marriage where two people still care about each other is worth saving. Focusing on rebuilding your marriage will defeat all the efforts that Satan tried. Take the trip but you set the rules. Getting the other woman out of his life is not the answer to your problems; getting enough of God into his heart will get the results you desire.

Start your weekend with a serious talk and by taking the upper hand. Insist on a biblical change in his life by asking him to repent of his sins. Give him opportunity to start fresh with his family allowing God be the head of your household. Pray with him and lead him to the Lord don't expect him to do it latter. Then together make a plan for reading the Bible and include the children. Family worship is important.

If the people in your church are not equipped to help your family grow then find some place that will. You will have to nurture your husband because he is the weaker partner at this time.

If you choose to forgive him then you can become as one again in the eyes of God through sexual relations.

It's better to have him back in the home if you are really serious about teaching him and growing together. At all times be extremely kind but make it clear that you are the leader in the decisions concerning spiritual matters for your family. Also be willing to hear his views and pray about them. If he accepts your terms then forget the other woman and never mention her again. Look forward and don't condemn him, he was just acting out what Satan put in his mind to do. It will be up to you to put better things in his mind from now on. We are praying for you.