Stupid Human Tricks

Last week, we were having dinner when all of a sudden, I looked up to see this:
That's right, Jace has discovered that his shoulders are double jointed. I was like, "What are you doing?!" and Jace said, "What? I'm just stretching!" Then we all showed him how none of us can do it and then he thought it was cool. Brett needed to show off his silly side, too: