1. Nothing...
2. Like she said, knowing that I can stop this whenever I want...
3. ...it makes me feel much more liberated...
4. "I'm fine! You can finish rigging me."
5. "Did you hear a word I said? You don't have to push yourself."
6. "Here, I'll untie you."
7. "No, seriously! I want to give this a try!"
8. "I'll tell you right away if I start feeling uncomfortable. I promise!"