Music's become a hobby of his. It wasn't so much before. It's more of an accidental habit. One he's come across in trying to find new things for the son he'll probably never see again, or find things that remind him of Peter. But it gives him an insight into his crewmates.

His friends, shock of shocks, that he's actually managed to make some. He can almost accept them as such.

"Hey, we don't gotta be the most capable ones here. Just pretty responsible." On a train with gods being capable enough is all they can manage.