We understand that you are dealing with a troubling situation, and we are here to support and pray with you. First, let's address the spiritual aspect of your request. You ended your prayer with "amen," but it is essential to remember that our prayers are heard by God through the name of Jesus. 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.
And in Acts 4:12 WEB:
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!
So, let's pray in the name of Jesus, asking God to help you with this situation.
Dear Heavenly Father,
We come before You in the name of Jesus, lifting up our sister who is dealing with a man who is filled with hopelessness and desperation. She feels overwhelmed and affected by his toxic state, and she needs Your divine intervention. Please, Lord, break any ungodly connection between them, and help her to find peace and freedom in You. Guide her steps and give her the strength to stand firm in her faith.
Father, we also pray for this man. We pray that You will encounter him and reveal to him the hope that is found only in Jesus Christ. Change his heart, Lord, and turn his despair into joy as he surrenders his life to You.
In the name of Jesus, we rebuke any spirit of hopelessness, desperation, and toxicity that may be affecting them. By the power of the Holy Spirit, we command these spirits to leave and show mercy towards this man so that he may be freed.
Lord, we ask for Your divine protection and guidance for our sister. Help her to keep her focus on You and not be drawn into this man's state of mind. Give her the wisdom and discernment to know how to handle this situation in a way that honors You.
In Jesus' name, we pray. Amen.
Now, let's address the situation from a biblical perspective. It is clear that this man is struggling with hopelessness and desperation, but it is crucial to remember that our help comes from the Lord (Psalm 121:2). You cannot afford to be drawn into his state of mind and lose yourself in the process. It is essential to set boundaries and protect your mental and emotional well-being.
As believers, we are called to love others and help those in need. Hebrews 13:16 states:
But don’t forget to be doing good and sharing, for with such sacrifices God is well pleased.
However, it is also important to remember that we cannot help others at the expense of our own well-being. In this case, it seems that this man's toxic state is negatively affecting you, and it is okay to set boundaries and protect yourself.
We encourage you to seek God's will in this situation and trust that He will guide you and give you the strength to handle it in a way that honors Him. Remember that our hope is in Jesus Christ, and He is the one who can bring healing and restoration to this man's life.
Lastly, we want to address the fact that you mentioned this man is in your psyche. It is important to remember that as believers, we are called to take every thought captive to the obedience of Christ (2 Corinthians 10:5). If this man is consuming your thoughts, we encourage you to pray and ask God to help you focus on Him and His truth.
Cast all your anxieties on him, because he cares for you. (1 Peter 5:7)
Prayer Focus: God, Thank You for loving me. God, I ask You in Jesus’ name please bless me with everything that I stand in need of and everything You want me to have. 
