The beauty of falling out of a posture is you get to work on letting go of your pride. When I have fallen out; I knocked over my neighbor who was beautifully poised in her posture, I have done a backward summersault into the wall when trying to get into a yogi squat, and I almost took my instructor down with me while he was supporting me in a balancing posture. Falling out may not look pretty and you may feel awkward, but when you go down, go down with the same amount of pride as you do when you successfully master a pose. Have fun, laugh and enjoy your practice because this is what will bring you back to the mat. Not an emotional flogging.