"It'll be all right," Ford says grimly, rubbing his eyes. "All we have to do is never bring up anything our alternate selves did or said ever again. That way, we can keep our minds off of parallel universes with embarrassing romantic entanglements and catastrophes that are out of our hands and focus on the mission."

Perfect solution. Never forgive, never forget, but when your tunnel vision is fixed on the goal, it's like it's not there, right?