People have been predicting the end of the world for centuries. So far, all the dates have fallen through. 2012 is a bit different, as it comes from the 'end' of the Mayan calender. (the date has shifted once or twice due to recalibrations of the calender) Personally, i think that something must've happened to the people making the calender. Either died off or got sick of making a multi-milenia calender that they would never see the end of.
Personally, i doubt it's the end of the world. A turning point, maybe, but not the end. You know how furniture stores are offering "pay nothing until (2 years in the future)?" Well, if it is the end, you might get some free stufff... but don't take my word for it.
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When I allow it to be
There's no control over me
I have my fears
But they do not have me