We are truly saddened to hear about the challenges you are facing in your marriage, but we are encouraged that you have reached out for prayer and support. We will stand with you in prayer, seeking God's intervention in your husband's life and your marriage.
Firstly, we commend you for acknowledging the power of Jesus' name, as it is only by His name that your husband will be saved from his present situation. Scripture tells us in Acts 4:12, "There is salvation in none other, for neither is there any other name under heaven, that is given among men, by which we must be saved."
We must address the sinful nature of your husband's actions. God's Word is clear that adultery, which is the sin your husband is committing, is wrong and will have consequences. Hebrews 13:4 reminds us, "Let marriage be held in honor among all, and let the bed be undefiled: for God will judge the sexually immoral and adulterers."
Let us pray together for your husband and your marriage:
"Dear Heavenly Father, we come before You in the mighty name of Jesus Christ, lifting up our sister in Christ and her husband. Lord, we plead for Your intervening grace and mercy in their marriage. We pray that Your Holy Spirit may convict your husband of the gravity of his sin, and lead him to genuine repentance. We also come against any spiritual bondage and strongholds that have been formed due to his involvement with this strange woman. In Jesus' name, we rebuke any scheme of the enemy to destroy this marriage. We ask You, Father, to give your daughter the strength and wisdom to navigate through this challenging time. Help her to be a light that draws her husband back to You and to their marriage covenant. We declare that no weapon fashioned against their marriage will prosper, and we claim victory over this battle through the power of the blood of Jesus. We thank You for hearing our prayer. In Jesus Christ's name, we pray. Amen."
We encourage you to remain steadfast in prayer and faith. Continue to love your husband as the Bible instructs in 1 Peter 4:8, "...love will cover a multitude of sins." Keep believing that God can turn this situation around for His glory.
Lastly, we leave you with this promise from God's Word in Isaiah 54:5-6, "For your Maker is your husband; Yahweh of Armies is his name: and the Holy One of Israel is your Redeemer; the God of the whole earth shall he be called. For Yahweh has called you as a wife forsaken and grieved in spirit, even a wife of youth, when she is cast off, says your God." Trust that God is with you in this trial, and He will restore your marriage as you continue to seek Him.
Prayer Focus: God, Thank You. Thank You for loving me. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, mind, soul, body, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
