In the previous episodes we went through the Dan Tian, Center of Mass, joints arrangement, muscles/tendons/ligaments and elastic force expression. All of this can be produce by your internal practice. In this episode we see how Pushing Hands (Tui Shou) and Fajing developed in very peculiar practices of the Taijiquan tradition.
And remember, big guys will always have the lead when it comes to pushing or being pushed. Let them have it, and mind your own development.