Why does everyone think they no when the rapture it gonna be?

Oh my gosh its so annoying i'm 11 and i no that only GOD and JESUS knows when its gonna happen. Not the angels and if not the angels then its defiantly not gonna be some human that knows when it is!! Gosh people quit thinking you know everything i know i sure dont! I mean jeez... JUST STOP TRYING TO TRICK PEOPLE ITS NOT COOL AND IT ISNT GOING TO GET YOU IN HEAVEN WHEN YOU DO DIE!!! Hehe why are people like this?!?! And p.s. remember im only 11... Think im smart?