You manage to pick up the first stone with your teeth and then reach back to grab a second one, but you're unable to hold both steady. The stones clatter to the floor as you stagger forward, almost losing your balance. The trainer shakes their head disapprovingly.

"You must learn control," they say. "Try again." This time, when you pick up the first stone and reach for a second one, you take a deep breath before moving. You feel the tension in your body ease as you focus on maintaining balance and control.

The trainer nods, satisfied with your progress. "Very good," they say again. "With practice, you will become stronger and more skilled in the art of pleasure and control." They gesture toward another pile of stones, larger than the last. "Now, let's see if you can handle this challenge."