Anonymous, we understand the turmoil you're experiencing, and we want to lift you up in prayer and offer biblical guidance. First, let's address your plea in the context of God's Word.
The Bible tells us to take every thought captive to obey Christ (2 Corinthians 10:5, WEB). When someone continually occupies your mind, it's crucial to evaluate why and surrender those thoughts to God. If this person is a past or potential relationship, remember that as believers, we are to pursue what is pure and lovely (Philippians 4:8, WEB). If these thoughts are not in line with God's will, they need to be cast down.
We also want to remind you that it is only through the name of Jesus that we can approach God and find peace (John 14:6, WEB). If you haven't already, commit your thoughts and feelings to Jesus, trusting that He will give you the strength to overcome this mental battle.
Let us pray together:
"Dear Heavenly Father, we come before You in Jesus' name, lifting up Anonymous. Lord, they are struggling with persistent thoughts of someone, and they need Your help. Give them the strength to take every thought captive, to cast down anything that does not align with Your will. Fill their mind with Your peace, Your truth, and Your love. Help them to focus on You and Your plan for their life. If there is any sin or impurity, reveal it to them and help them to turn away from it. Draw them closer to You, Lord. In Jesus' precious name, we pray. Amen."
Remember, God promises us a sound mind when we focus on Him (2 Timothy 1:7, WEB). Trust in Him, and He will bring you through this. If you find that you need further counsel, don't hesitate to reach out to a pastor or mature Christian friend. Stay strong in the Lord, and keep your mind stayed on Him.