Let's see, I goto Chruch 2 times a week, I goto a Bible Study on Saturdays, I tend to spent a lot of time talking to God, I usually read a couple pages of the Bible per day, and I usually listen to one of Keith Moore's sermons once a day. Now I'm also starting to read Christian books that deal with anxiety, and deprssion stuff like that.
dont give up on this habit
whenever you get these thoughts, dont dwell on them one bit... these thoughts are not your own. Rebuke them in the Name of Jesus. Ask God to take those thoughts away, and replace them with His peace and love, and again, have faith in knowing that God loves you, and will help you get through.
I'm like you, I struggle with social anxiety, depression, and in my past i have had extremely dark thoughts... very, VERY dark thoughts, but once I started to take hold of every thought that I had, and started to rebuke those thoughts, and rely on Him for comfort and peace, they slowly went away. I still struggle with them, but I don't give them the chance to ruin my day, because I know one beautiful thing: Jesus Christ is STILL my Lord and Savior, and God STILL has everything in control... it's a battle, but i rely on His strength to get me through the day, and I do get through it, because of His strength and Love for me.
Know that you are loved, and that God is available to talk to 24/7
im not an expert in this, so if these do persist, consider seeing a counselor... i did that, and he helped me a lot... he helped me understand who i was in Christ, and that Christ is the only One I need to go to.
I only want to see you beat these oppressive thoughts from the enemy, and if God can help me, I know 100% that He can and will help you