I don't know if it's that odd. Different universes, different people, you know? You're both Loki, sure, but that doesn't mean you're the same person. Just like you're not the same as the older Loki from our universe. You don't have to understand him because you haven't had his experiences.

[Billy frowns, watching Loki cautiously. He doesn't want to discourage this sudden and unexpected bout of honesty, but he doesn't want to end up saying the wrong thing, either.]

At least, that's what I believe, anyway.