Frisk can't be sure. This Chara is so tentative about everything they do. Maybe Frisk should be walking on eggshells a little more carefully, but then they wouldn't be getting anything done.

"That's okay, don't worry. I won't keep you." Their fingers twist together on their legs, and they dip their head at the shoes. "But you don't hafta leave. You can even race with us if you feel like it. Though you might fall more. Have a bunch even before you showed up," they add with a small grin.