Cassian can feel himself relaxing a little in tune with his daughter, grateful something is working well enough to soothe her. Jyn's hand is cold like always, but he feels warm where she touches him anyway against the fleeting thought of wanting to be this close to both of them all the time.

He looks at Jyn, surprise clearly etched on his face. It... explains a lot and fits in with the rest of her behavior, but it doesn't make it any less bizarre to him. "You were -"

Oops, the sudden stop to the singing gets Rey grumbling, so he hums a little bit and leaves the admission hanging for a very stretched out couple of seconds. "There is nothing to be jealous of," he murmurs between notes. "I thought I -"

Oops again, Rey hiccups and Cassian slips back into the song.