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The "apocalypse" or whatever we'd like to call it has always been just over the horizon - real or imagined - for all mankind forever. Remember, too, that we live in a world now where we understand that a solar eclipse isn't an omen of impending doom just as an earthquake isn't a punishment from an unhappy god.
In spite of this human beings have always looked forward, building civilizations and having children. This is the way it has always been and this is the way it is likely to always be. Eat drink and be merry for tomorrow we [may] die.
Reading science fiction might help pass the time, too.