You drop the package and run away. And your cowardice is indeed just as satisfying as you thought it would be. You run for a good 60 to 90 seconds, until the arcing pains lance across your chest. You're terribly unfit - so you stop and have a breather.
You fully intended to continue running away from the package when you see something strange. Your hand doesn't like the looks of it, and it slaps itself over your eyes before you can register what it was.