OK serious Catholic here and depression patient for 15 years. You must maintain a therapeutic dose of your anti-depressant and maintain standard of care with your doctor. It’s extremely beneficial to have some psych counseling every week to get help sorting through your situations and emotions. As for faith and religion, developing a strong relationship with your spiritual community and be involved. They will become your support group as you reinforce your faith. You need to take these actions to regain control and confidence in your life. Everything takes time. Time is the healer.