He notes her new dress, and it's honestly gorgeous. He's going to feel awful about this later, but he really needs the comfort. Without saying a word, he pulls her closer and wraps her up in a tight hug. He can't help but feel bad for getting blood all over her, even in the moment.

"Sorry. I'm late." He pulls back to give her a guilty look, like a dog found digging in the trash. "I... I did something stupid. I'm not hurt. I'm sorry."

That isn't much of an explanation, but... it is true. Some of this blood is his, but the wounds are closed up now and Jack doesn't get scars. More than anything he seems shaken by the experience; he'd gotten too comfortable with the nice things he's gotten here, that the return to violence and fear was like a douse of cold water.