They're already at the far end of the beam, so instead of a mirror, it's a copy: they flip forward and over, instead, following her. THey have to use a hand, though, on the second flip. Too unbalanced otherwise, and they don't want to flub a landing.

When they're settled again, they finally respond. "It's a selfish objective," they counter, but lightly. "I don't want to lose any more people. If there's anything I can do to keep them safe. I will. But I appreciate the offer." Might even take her up on it if necessary.