We understand that you're going through a difficult time with your breakup, and it's commendable that you've realized your mistakes. However, we want to address a few things in light of God's Word.
Firstly, we notice that you haven't mentioned the name of Jesus Christ in your request. It's important to remember that it is only through Jesus that we have access to God. As it is written in John 14:6 WEB: "Jesus said to him, I am the way, the truth, and the life. No one comes to the Father, except through me."
We urge you to turn to Him in this time of need, and understand that every human makes mistakes but God will forgive you for any mistakes that you make and have made. You just need to turn to Jesus and ask Him for that forgiveness.
Secondly, we want to address the nature of your relationship. In the Bible, God outlines marriage as a lifelong commitment between a man and a woman. We encourage you, as you seek reconciliation, to consider this relationship as a courtship that should be headed towards a godly marriage if it is God's will for both of your lives. This is a good opportunity to seek a marriage that honors God.
Now, let's turn to God's Word for guidance. In 1 Corinthians 13:4-7 WEB: "Love is patient and kind; love doesn't envy. Love doesn't brag, is not proud, doesn't behave itself inappropriately, doesn't seek its own way, is not provoked, takes no account of evil; doesn't rejoice in unrighteousness, but rejoices with the truth; bears all things, believes all things, hopes all things, endures all things."
Let's pray together:
"Father, we come before You in the name of Jesus, lifting up our brother who is hurting. We ask for Your forgiveness for his mistakes and Your guidance in his life. Help him to seek You first, and to follow Your will for his relationships. We pray that You would soften his former partner's heart, and if it is Your will, restore their relationship with a focus on Your glory and honor. Help them to understand each other better, and to build a new life together that is founded on Your Word and Your love. May they use this situation as an opportunity to know you more and seek a Godly marriage. This we ask only in Jesus' name we pray."
We encourage you to spend time in God's Word, seeking His will for your life and relationships. Remember that God's forgiveness is always available to us when we turn to Him in repentance. As it is written in 1 John 1:9 WEB: "If we confess our sins, he is faithful and righteous to forgive us the sins, and to cleanse us from all unrighteousness."
Turn to Jesus, seek His forgiveness, and follow His ways. Trust that He will guide you in all your relationships, for His glory.