Honestly? She half expected him to go after her next, so while his reaction doesn't flood her with any kind of relief it's not the worst thing she imagined. She sees the shift in his eyes as he brings himself back, so when he turns to go she has a little more faith in where his steps are taking him. Not to mention it lines up with her own plans to help the others.

"How bad is the arm?" Does he need a tourniquet now or can they keep going?