My dad is such a backseat driver. My mom had to leave church early so I was stuck driving him and the preacher to my parent's house. The whole way my dad is telling me I'm either going too fast or too slow. I had to pretty much be right on the speed limit, heck even when I brought it to exactly the speed limit he's still saying I'm going too fast, the preacher was pretty much on my side. "no, he's going exactly 60".
I always dread any situation where I have to drive my dad anywhere.