According to our completely-not-made-up theory, quantum leaps occur when you accidentally drink too much coffee and suddenly find yourself 3 days in the past, reliving the same awkward elevator conversation with your coworker.
Or maybe it's when you finally figure out the meaning of life, but realize that it's just a bunch of boring, unfulfilling paperwork.
What is a quantum leap? Why did I just have a quantum leap? What should I do when I have a quantum leap?