“—Hey, you ok? Some people shake their feet when nervous. It’s a habit for me! Either way, just wanted to make sure! :)

—I’m good! It’s an ADHD tic for me (Attention-Deficit/Hyperactivity Disorder). If it’s bothersome I’ll stop. I’m mostly just tired, LOL.

—No! Don’t stop. It’s a comfortable habit and I do it too”