[Refinement of Character] From a Kabbalistic point of view, this “refinement of character” called Tikkun HaMiddot is very much part and parcel of the Divine purpose in creation. Even small improvements are vastly appreciated by G‑d. Every individual “refinement” or “correction” contributes to the general “World Refinement” [Tikkun Olam] which will be precipitated when Mashiach will come.
At 21:00 on the video he explains why it is bad to hold your hands in a certain way, with the fingers interlocking the hands together. I blogged this many years ago, but never had the full explanation of why. Now I do!
Part 1 can be found here