Whats all this talk about 2012????....idk if i should believe it or not?

everybody is all riled up about 2012, watching stuff on youtube and trying too scare me. and they did a pretty good job if its real, lol i believe im going to die!! sound dumb???....well i do its silly!! but i hear different stuffs gonna happen and it made me question if its all real or fake cause they all seem like horrible stories!! idk what to believe or say about it, all i know is im scared!!!