[Loki stays silent for a while and nods afterwards, when he's done thinking and drawing his conclusions. Experience is obviously the thing he lacks. And some distinct knowledge about some matters.

He makes a mental note to close this rather unfortunate gap as soon as possible.]

Billy? Ah, do explain.

Interesting is a perfect way to describe my older self. Personally, I would have preferred 'sad' or 'dwelling on the past', but interesting is very fitting.