Help with Backing Up

Some years ago, we were in a campground with one difficult spot left to park in. Along comes a couple, with a fifth, I bet they wouldn't get in as a ditch was part of the backup area, but....he jumped out, she moved over, he motioned from the front of the truck which way she was to turn. She only looked at him, and together she backed the fifth in, the truck through the ditch, all while doing as he pointed,smooth as you please.
Now....if I could teach my woman that.....