Your tree pose is going crazy and you're falling; and your leg is burning; and it feels impossible to maintain any sort of stability practice observing what's happening instead of getting wrapped up in the circumstance. If you can learn to be easy with your breath in these moments, your body and mind will follow.

Yoga Cures: Simple Routines to Conquer More Than 50 Common Ailments and Live Pain-Free (ed. Harmony, 2012) - ISBN: 9780307954862