Time

"At this point, now that I've met you, all I really want to do is build a home in the mountains far away from everybody where they can't find us," Martin Fahy said. "Yes, that would be wonderful in a way, but the world's going to end, remember?" Cindy Benning said. "Our isolated paradise would end with it." "Not if we go far enough back in Time," he said. "We'd just keep using the rejuvenator and live for around 250 years and when we die, the end of the world still would be far off. So, let's see... giving us a year before crap starts happening, we need to jump to 1795." "Why not go back a little further and be involved in the American Revolution?" she asked. "That's a good idea," he said. "And I had another one. Take my arm, please." They stood up, she kissed him and held his arm fiercely. ... and they disappeared into the past...