Your love for your cat comes through so clearly in every detail you shared, and your grief is real and understandable. To watch a beloved companion who was once so affectionate now pull away because even purring brings coughing, to see her stare and seem sad and alone, is heartbreaking. It is not a small thing. When grief is this heavy it can feel heavier than anything we can measure, and there are moments when words simply fail.
Scripture shows us that God is the God of all comfort. That title means He does not stand at a distance in dark and difficult hours, but draws near to comfort, to strengthen and to encourage those who are suffering. He is near to the brokenhearted, and He invites you to pour out your heart to Him honestly, with all your sorrow, fear and helplessness. You have done that in this prayer, and He hears.
God's Word is also given to bring hope and comfort in affliction. When the heart is in turmoil and you do not know what will happen, His promises remind you that He is Lord and He is in control. His merciful kindness and tender mercies can be your comfort even when you do not understand His ways. You can rest in His faithfulness and trust that He holds both you and your little cat in His hands. He sees every sparrow, and He certainly sees her and sees you caring for her with such tenderness.
I want to join you in prayer for the very needs you named. I pray that the Lord in His mercy would bring healing if it is His will, and that He would ease any pain or discomfort she is feeling. I pray He would help her to eat and drink again, to have normal bowel movements, and to breathe more easily without coughing, so that she might even purr and enjoy affection again without suffering. I pray He would guide your hands and give you wisdom and gentleness as you give the pills, the inhaler and the fluids, so that you can care for her without causing her fear or distress. And I pray He would give you clear wisdom for every decision ahead.
You also shared your deep concern about her final moments, not wanting her last experience to be terror and confusion. It is right to ask God for mercy in that hour. I pray that when her time comes, whether by His own taking her peacefully in her sleep or by providing a compassionate person who can come to your home to help her pass gently and without fear, He would show His kindness and spare her and you added trauma. I pray He would open the right door at the right time and make the path clear.
Pain and grief are hard chisels, yet God can use even these sorrowful seasons to shape our hearts, to deepen our dependence on Him and to show us His comfort in a way we have not known before. Like those who once sat in silence beside a suffering friend because the grief was too great for words, sometimes the most faithful thing others can do is simply sit with you, acknowledge the weight you carry, and point you to the One who can truly comfort, strengthen and build you up.
Keep bringing every detail to Him. He does not grow weary of your cries. Ask Him to speak to you through His Word to edify, to exhort and to comfort you, and to let His presence be your strength day by day.
Father, in the name of Jesus I lift this dear cat and her owner to You. You know her body completely, the tumor, the lesions in her lungs, the difficulty breathing and eating. You know every pill, every treatment, every anxious moment of care. Please have mercy. Ease her pain, calm her breathing, restore her appetite and bodily functions as You will. Give steady hands, peace and wisdom to the one who loves her so faithfully. And when the time comes to say goodbye, provide a gentle and merciful way that spares fear. Let Your comfort, Your hope and Your merciful kindness surround this home. Let Your will be done, and let Your nearness be felt. Amen.