In Tai Chi Quan, defense is also an attack, and an attack is also a defense. One cannot apply Tai Chi Quan’s methods to attack without being able to use those same methods to defend. Since every movement involves circles, the more profound the skill, the smaller the circles become. Sometimes the movements are imperceptibly circular, encompassing both defense and attack. Therefore, in push hands exercises, one must be attentive to “listening to energy,” which means practicing sensitivity and touch to feel the opponent’s force. By sensing the direction of the incoming force, one can use half a circle to defend and the other half to attack. This is what is meant by “stickiness” in Tai Chi, which is the same as “adherence” or “following.” […]