She finally says:
"Look, I want to push your limits, and this is going to be so much fun! So please, just try okay?"
"If you need a break, we can always come back here to the room, and I'll either comfort you or tease you some more," she giggles a bit at this. "So you just let me know..."
You agree, but you worry that she's going to push you past your limits for sure today.