Continuity mistake: After Will gets the sandwich and orange juice he turns around. Now his shirt is not tucked in properly in front, in contrast to the shot before. (00:10:55)
NancyFelixContinuity mistake: During Rufus's entrance to Will's shop the hair over his forehead is arranged in at least three different ways. (00:08:05)
NancyFelix
Continuity mistake: At the beginning of Honey's birthday party Bella's blouse first reveals the right, then the left shoulder in successive shots. (00:33:35)
NancyFelix
Answer: It's a tale from mythology. Details can be found here - http://en.wikipedia.org/wiki/Pandora's_box.
Tailkinker