Oof... That doesn't sound like a good experience. Shame isn't the way. Neither is guilt. And blessings can't be controlled like that, so... Yeah. There's no qualifications for a blessing - they happen when you're in need, and secretly. I mean, real ones.
Its interesting that you held onto your spirituality. It seems like it's fairly common for people to react by going to the opposite extreme, but it doesn't seem like you did that. From your notes, I'd say you're quite tuned in with the invisible world.