My instructor showed no appreciation for my Roleta impersonation while were were sparring on Saturday. Instead of marveling in amazement at my inverted guard and helicopter sweep attempts like he was supposed to, he just folded me in half then twisted me in a knot as he passed my guard.
Somewhere in the midsts of all this, I pulled a muscle in my back. So I spent the rest of the day gimping around and gasping through my teeth every time it spasmed (every time I inhaled or exhaled, for example).
I was worried I wouldn't be able to train this week because of my injury.
But through the power of self-study and a book, I fixed it myself. Like magic.