I started taking the free tai chi class at the local senior center last month. Having learned some tai chi movements back in the 1980s, I knew tai chi would be good for my health. The teacher was encouraging when I told her about my knees (no cartilage in them according to the specialist). She let me know that it was okay to not attempt more than my body can handle at any moment. In other words, do not over do and screw up your body. Just from the first class, I realized these things about me: I breathe shallowly. I need to be mindful about breathing deeply. I hold a lot of tension in my body, particularly in my hips, legs, and knees. I need to relax my body, particularly the muscles around my tailbone. When I do, the pain decreases and I can chip away at the stiffness. I'm not confident that my knees can support me so I walk with my body bent forward. The movements reinforce the concept of empty and full steps. In short, I can trust my legs. That when I put weight on one