Humans are resourceful. Spirited. Blessed with a DIY attitude. Stubborn. Hard-headed. Dumb. Whoa, these adjectives got negative quick. I guess that's what happens when you try and move fragile items on your own.
Are two heads better than one? Usually yes, but if both heads wind up getting concussions as a result of working together, it renders the question moot. At least they're friends to the end!