Yeah, I’m aware of the physiologic causes of yawning and that it’s something natural that we all do. What intrigued me was his his response to my bringing it up. He seemed super interested and even slightly emotional about it (his eyes watered as he spoke about it). He even brought it up the next time we met, saying that it had been on his mind. He rarely disclosed things like this. I was surprised by this reaction and touched by it.