Yes. Something did happen -- perhaps to the both of them. It was all that confounded dancing, and lightning and pirates giving hints, and making it all very confusing to be devoted to a certain lady in Wall.

In any case, Tristran walks forward and finds a spot to perch upon her bed, by the end.

"So tomorrow we leave all this behind," he starts, looking around the room. It's going to feel odd, having become accustomed to the pirates way of life.