"I think that's the problem - do we know what he likes?" Wait. "Does he know what he likes? I've only ever heard him talk about his job, his family, and Zagreus, and none of them are here." For better or for worse, depending.

He takes a bite of his peach, thinking. He's seen Thanatos around the train, but what has he seen him doing? There has to be something he's interested in-

Wait. "He-" Nope, swallow that bite of peach, try again. "He has a pot in the greenhouse, doesn't he?"