It starts off at 90. It gets hotter. “Every single part of your body is strong,” the yoga instructor intoned it in a soothing voice. What a lovely thought. But by the fifteenth downward facing dog it sure didn’t feel true. Everyone looking backwards between their own legs could see me on my haunches, sitting this one out. Still, there’s something nice about a good sweat. I could feel it beading and rolling down the side of my face. It felt clean, somehow. Okay, water bottle down. Back into pose…