[ Everything is totally safe. Feel safe. Nothing's happening for the rest of the night. ] Yes, I would, so you can consider that an expert opinion. [ Aaaand hey, okay, sure. More seriousness. He can be serious, still. Let's be serious. ] Apparently not. It's probably some sort of evolutionary learning mechanism, the way the brain remembers negative experiences more readily for longer periods of time. Being too happy or safe isn't dangerous.