Elceeserious-.
If you knew anything about this band, or the Rev, you would know that he was Catholic. He wasn't depressed - again, if you knew anything about him, you'd know he was a happy person most of the time.
If you can interperate the lyrics at all, the song is about losing someone close to you, and begging for them to come back. It's about treating someone close to you badly and wanting them to come back, feeling horrible and 'insane' at what you did.
Get your facts straight before you go posting things like that. If you've heard any song by this band, you'd know they were not 'devil worshippers'.