I'm too impatient and controlling. I'd want to just jump in my ride and speed over to fix the problem because everybody was taking too long or doing it wrong. I struggle with that whole "let it go" thing every day.
I'm that way with the kids when it would be easier and faster for me to do it, but it's one of those things they have to learn to do. Oh, and at the grocery store in the self-checkout lanes. But anything else? Don't really have the issue. Thankfully.