She's oddly relieved she doesn't have to knock his ass into the ground, which is odd only because Jyn thrives in violence. That makes sense to her. This is well out of her league.

"No, Cassian would be cross. Now come on, I told him and BB-8 to meet us at his house." That's still happening, whether Poe likes it or not. "You're going to tell him everything you told me."

Cassian is the spy, he's the one that wants to know everything. Jyn just wants to rest, why doesn't she ever get to rest? She's been running for her entire life.