To practice YOGA is to understands your body's basic function.
The Gap between you and Yoga... Fear is one of the negative energy that as human beings, we have created it everyday unknowingly.
Many people want to try Yoga but always complain that either they are too old or too stiff to practice Yoga! Yoga practice has no age limitation but there is limitation by FEAR.
Shyness Did you ever look into a class of yogis in those popular gym that you are too shy to even try? Shyness is a part of FEAR too.
Improper Others want to learn yoga but are those classes give the proper instruction or they just rush through the classes? This is the Fear that you are not getting the right instruction and flow towards a certain pose (ASANA).
Stress Are you managing your Stress the way you think Yoga practice should have done for you? How to managed your work stress if you have to rush to the evening classes everyday after work? Or should you go for the late night lesson and reached home near to mid-night? This is like adding more stress then managing your stress.