In the year 999, many people believed that the coming of the millenium would be the end of the world. IT DIDN'T HAPPEN! Similarly, with 1999: IT DIDN'T HAPPEN! And Y2K and the computers crashing: IT DIDN'T HAPPEN! And when the planets lined up: IT DIDN'T HAPPEN! Now, it is 2012: IT WON'T HAPPEN!!!
So, do YOU believe in the gods of the Mayans? No? Well, why believe that what their priests said hundreds of years ago will come to fruition? How about your brother; did he convert from christianity, or into becoming an APOCALYPSE JUNKIE?