Self-Portraits of Plyometric Cardio Circuit

This might be something that I'm alone in finding fascinating. Maybe.

I was doing the Insanity Plyometric Cardio Circuit and took a self-portrait during a rest period about 20 minutes into the workout. I didn't like the pic but the rest period was almost over so I decided I'd take another after the next round. When I saw the difference in face flushing & sweat, I thought it would be interesting to see how the changes progressed throughout the rest of the workout. Here is the progression!