An oldie but a goodie.
Watching the video confirmed what I thought from the subject. I saw this "trick" several years ago on some show about the brain. Actually a lot more dumbed down if I recall, just cris-crossing your arms. Sort of like backing up a trailer or working a tiller on your sailboat. Takes a LOT of getting used to.
For several years I was able to live part time as female. For me the shift from male to female was relatively easy in that by that time I had made a lot of emotional adjustments to how I saw and thought of myself. Nevertheless, when the weekend came to an end and the nail polish HAD to go, that was when the waves of depression and tears came. The one semi-permanent physical realization simply had to go, and I didn't want it to.
These days the era of part-time living has come to a temporary halt and life is back to a mostly male presentation existence. Also it seems coming to a halt is mostly seeing a fairly good looking old bat in the mirror. Some sad old man seems to be taking over