We are very near to discovering earth-like planets. They'll be decades of travel time away. We can only reach them if we perfect suspended animation and long-term drive power. When we do these two things, how can we resist launching a ship? Let's put four couples on board with provisions. Maybe launch a supply ship later. But your ship breaks, and instead of the selected planet, you take the nearest habitable one. It's a desert of a planet, but not...