I kinda got that he was the guilt ridden type, even without being able to take a look inside. [ she gestures to her temple. learning to read people without listening in on their thoughts was something being around vampires had taught her, sometime she might not have really picked up on otherwise. ]
It's not his fault. I've seen vamps much older than him lose their minds when they get a whiff of faerie blood. Bloodaholic or not, it was a situation beyond his control that he wasn't prepared to handle.