"No, it's-- you're not putting pressure on me at all!" He quickly shakes his head. "It's just.. erm.. It's a little hard for me.."

Since he's so shy.

"B-But I definitely want to try all the same. Especially since.. I don't know, maybe dancing may be a good thing to do here on the train for anyone? It's a good way to get rid of stress.." And stress is exactly what tends to build up in situations where you've been kidnapped by an at least semi-sentient train, huh.