Why am i falling in love sooooo fast?

ok by thw way ''i'm gay'' but anyways ive been tlkin to this for about a week now ..... well actually we started tlkin may 2nd 2011 and started dating may 6 2011.... im trying to figure out why we are moving so fast .... i wanna know is it real ..... its only been a week and we are already saying '' i love you''.... i mean it when i say it because i really do love her and i want to spen my lfe with her .... i just want to know does she mean it and why is everything happening sooooo fast