That's because kendo has a high dropout rate, as do most martial arts. Armour is a considerable investment and no one wants you to spend that much money and then drop out. How long were you doing it for?
Bad language, usually I swear in Japanese. I also clench and unclench my toes. I have gotten foot cramps while gaming from this.
I sit on the floor, with my legs in front of me, with my arms and an arcade stick or controller under my legs.
...I'm not weird.