Oh yes, the throat humming! Do it all the time, not just when I'm cooking
. I will notice my DD glance up at me as I pass by and I quickly realise I'm doing it and stop, only for it to start again, totally involuntarily, 10 seconds later.
I talk to machines, mostly when they're annoying me. "Yes, OK, I'm coming, shut yer face!", or "Do you really have to beep TEN times? Don't you think that's a bit excessive?" I once shouted at a twin tub washing machine (used some pretty ripe language, actually) and threw it out of the back door, full of water. Well, it wasn't full once it was out there of course...
If I drop something, knock something over, spill liquid - you know, that sort of thing - it's usually met with something like "Oh thank you so much. That's EXACTLY what I wanted to happen!"
DH knows when to retreat to another room and keep quiet 