Chen Yiren told me teacher, after having studied under him for some time, "hey you are getting heavier and more
difficult to push away, good good.."
just want to say that from a teacher's perspective.
i don't do taichi, so i cannot comment on the vid
but however in my understanding, if the student keep feeling very light like paper
then i think there is something not right
I think Master Choi just having fun
i think for ppl at his level, the art in his body is complete already
meaning he understand the jin and force he possess
in your mind the understanding is complete,
then you mind/understanding can move out to include and encapsulate your opponent/student
LHBF: movement is align to 3 dimensional space.
the laws of martial art force and its transmission to other physical objects in space,
and how they will behave is understood.
so like the daoist tasting from the vinegar vat, he is just smiling and having fun
"see this one, if you do this, then this will happen la"
usually it is very difficult to touch hand with master at this level
because once the hands touch, his mind already encapsulate you
once he touch your hand, he know where you are at
so if you enemy know you, you are dead in the water
so LHBF have a word, is to remain unknown, to obscure, to hide
but the prob is, if you are student, you use ming jing, then you not able to hide
fwiw