He beams at her when the ship echoes his name, because wowow. "That is amazing, Jyn." It really is impressive, she should be pleased with herself! He looks very proud of her.

"I cannot believe neither of us thought to record his voice for such an occasion." They gotta drag him always. Even vaguely.

Cassian bumps her hip in return, then brushes his lips over her temple with both affection and pride. His tone is still fond, despite the content of his teasing question. "Are you sure about that? I can start a tally now."

Not that he really thinks she is doing it on purpose! But it happens so often! Maybe it's subconscious!