Q: What is the Many Worlds Interpretation of Quantum Physics?
A: It's a fancy way of saying that every time you sneeze, the universe splits into 10^10 parallel universes where you didn't sneeze.
Q: Why is this interpretation important?
A: Because it means every time you sneeze, you have 10^10 chances to get it right.
Q: What about the multiverse?
A: Oh, you mean that thing that's just a myth perpetuated by people who haven't mastered the art of quantum physics.