Rule 1: Don't jump into a wormhole without clearing your cookies. You don't want to risk losing your progress in the multiverse.

Rule 2: Be prepared for the consequences of your choices. You might end up in a reality with a 20% chance of being eaten by a sentient toaster.

Rule 3: Never trust a quantum entanglement that's too good to be true. It's probably a trap.

Want to know more about the dangers of quantum entanglement? Click here.