[Well--time to do some explaining and demonstrating.]

I didn't say 'subtly' now did I? There's very little that's subtle about a punch. But you can minimize some of your tells of what you're going to do. You're also very good about bringing your arm back to your guard quickly.

[Moving back over and closer, he'll take a stance, and proceed to explain and demonstrate what he's talking about. Having her watch or mimic him--as it's mostly about practice, but also it's in the shoulders. It's more in 'how' one moves. Some of it is speed yes--but she knew he was faster and that wasn't what he was focusing on.]