"Yeah?" Koumyou peeks up at him after the head smooch, pleased. "I mean, the train brought us together, after all. And neither of us is staying unwillingly at this point, right? We can make the offer once we're ready to do this at the next vacation stop, and if it parks somewhere usable that time..."

They can take it as agreement to attend, or something. Otherwise they can just go find somewhere else on whatever stop.