... Between If I am sitting down holding him vs standing and holding vs bouncing on the yoga ball holding. His eyes are closed, it is dark, he is trying to go to sleep, but it's like he is saying "oh mom, you're comfortable? To spite you, I'm not, so stand up. And bouncing me with your arms is not going to work. You must bounce on the ball."
Positive side- my arms and quads have never looked better.