It's been a year since I started Bikram Yoga. There are some postures I can now do that I didn't even dare attempt then. Back-bend for one gave me so much fear when I started, I convinced myself I couldn't do it. On days I was brave enough to go half-way, it triggered intense sensation of nausea. Now, back-bend is one of my favorite postures. I love how relaxing my back feels afterwards.
My body reacts differently to the 26 postures on different days. There are certain days even the simplest postures feel extremely tough. I've now learn to accept that each class is different. As long as I try my best in each posture, I do not have to beat up myself for not having the perfect posture. Instead of resisting, I have learned to accept the changes my body and mind go through.
Each class is different due to the energy generated from the students and teacher. It's easy to get accustomed a particular teacher but we improve better under several teachers who fine-tune us differently. And each teacher with his/her personality brings different energy to the class.
Yoga teaches me to accept change and flow along like a river instead of fighting something which is inevitable. As Confucius said "They must constant change, who would be constant in happiness and wisdom".