Your care for your loved one is a beautiful thing to bring before the Lord, and it is right to ask Him for calm and healing in her life.
Scripture speaks of a perfect peace that God keeps for the one whose mind is stayed on Him, because that person trusts in Him. Jesus said to His disciples, Peace I leave with you, my peace I give to you, not as the world gives. The peace the world offers is fragile and depends on circumstances, but the peace Christ gives is steady and passes all human understanding. It guards the heart and mind in Him.
In order to know that peace of God in daily life, we first need peace with God, and that peace is only possible through the blood of Jesus Christ. He made peace through the cross, breaking down what separated us from God. When a person turns to Him and receives forgiveness, the war is over. There is no longer striving against God or running from Him, and that brings a deep inner rest.
Many who have peace with God still need to learn to walk in the peace of God day by day, especially in seasons of anxiety. That experience comes as the mind is turned toward Him and stays on Him in trust. As thoughts are fixed on His character, His promises, and His care, His peace begins to fill the heart. It is a complete and beautiful peace that says, He will take care of this, I can trust Him.
God desires peace for you and for your loved one. His thoughts toward His people are thoughts of peace, and He offers peace and healing to those who are near and to those who feel far off. To those who continue to resist Him there is no real peace, for the heart remains like a troubled sea, but to those who come to Christ there is forgiveness, restoration, and quietness within.
Healing is also in His hands, and it comes in many ways. Sometimes it is immediate, sometimes it is gradual, and sometimes it is a quiet work within the mind and emotions where wounds and scars are healed. In every case, any true healing is from Him, for He created our bodies and our minds and ordained the processes by which we are restored. We do not always understand why healing comes quickly for one and more slowly for another, but we can trust His wisdom and His love to do what is best.
We pray for your loved one that God would first draw her into a deeper trust in Jesus, that she would know peace with God through Him, and then know the daily peace of God keeping her heart and mind. Pray that her thoughts would be stayed on Him, that anxiety would be quieted by His presence, and that she would experience His grace in a way that brings steady calm. Pray that she would move forward not chasing a fleeting happiness that rises and falls with circumstances, but rooted in the lasting peace Christ alone can give.
Father, we thank You for the peace we have in Christ that passes understanding. We ask You to touch this dear one who is struggling with anxiety. Calm her heart, steady her mind, and let her know You are near. Help her to keep her eyes on You and to trust You with what troubles her. Bring healing in the way You know is best, and let Your peace keep her and guide her forward in life. In the name of Jesus, Amen.