"Hey, I'm also not saying sit still for days. Or even a day. Just maybe half an hour, then you can go back to it. I'd get stir-crazy without work to do too, frankly. Usually I'm in my lab. But this isn't waiting, it's recharging. Going back to your work with a fresh mind, you know?"

Maybe he didn't, based on his resistance to the idea.

"You said while you're here. Did you sit still back home?"