Great life example of this last night at "The Saucy's":
Situation: Wife getting small human in his jammies for bedtime.

Me: Hun, anything I can help you with before I go back to painting?

Her: No. You can go downstairs, into the pantry, in the drawer with food (they all have food) and get the syringe. Then go into the fridge and grab the white bottle with the Rx label and bring them both here...

Me: You'd like me to get the baby a teaspoon of his medicine?

Her: Yes

Me: ookkay honeeyy

I guess i'm lucky the way my wife currently is, or maybe just forgetful of the way it was 20 years ago. My wife knows to only use hand signals about which way the back of the camper needs to go when i'm backing into a tight spot, and she stays visible in my mirrors. My father in law tried giving me directions to back by saying turn left or turn right (would that be the truck or the camper ?). I went and found my wife and her do it.

Bleeding brakes are no big deal either I just have her sit in the driver's seat and push the pedal when I say "push", and release the pedal not until I say "release".