I’m sorry that you’re struggling. I pray that the Lord will surround you with His loving presence and encourage you during this difficult time. May God help you to experience His never-failing love and care in your life.
Depression is a very complex issue that deserves personal and in-depth attention. I recommend you contact a qualified therapist to obtain an assessment. Causes and treatments can best be determined after reviewing this comprehensive information. In the meantime, you might find the following books helpful:
The Anxiety Cure, by Archibald Hart. It provides proven, natural strategies for overcoming panic disorder and finding an emotional balance in today's fast-paced world.
Hope Again: A 30-Day Plan for Conquering Depression, by Mark Sutton. It provides step-by-step encouragement and instruction to manage and win over depression.
Finally, I encourage you to surround yourself with people who will bring positive energy in your life. I hope you find the help you're seeking.