what I can not do :(

[katriona_s]

Today I went to the yoga class after work. It's an elementary class, most of the "asana" - poses - are not difficult. But there are some poses I can never do. For example, tree pose. Just standing with one leg with another leg bending. There are just a few people who can not do this in the class. I seem to have quite poor sense of balance X(