"That's troubling." And here Thanatos is, unintentionally adding to it as one more person to watch even if it's for a different reason. The Voidtrecker narrative has been bothering a lot of people. Thanatos doesn't bother much with the gossip around campus, but even he can't avoid it.

"What's the clearest route to the residential area? I don't want to add to your load." That's the main reason. It's not like anyone would be worried if he didn't show up at home. No one will even ask for him.