There's something you have to remember about external hard drives...
This is a slightly embarrassing story considering how much I know about computers, but I'm sure it will help out a few people.
Intermission and Drive-ins
Back in the days of olde, all movie theaters and drive-ins had a break half-way through the movie called intermission. It originates from stage performances where the show would take a break so the actors could get a breather.