He needn't have bothered: I still didn't understand. I did try but my brain's not made that way.
But from there we began (he began) to talk about differentials and nuclear energy and entropy (load of rubbish) and torque. 'Torque?' I said.
'Yes,' he said, and proceeded to talk to me about torque.
I came to the conclusion that's the difference between men and women: men talk about torque and women talk about feelings. Well, most women do.
I told Husband he's lucky I'm not most women. He's always grumbling that I don't talk to him enough. Or torque to him.