How can i forget

Forgetting u is like trying to forget some one i never new,
u were my world my every thing ,
but that one day i said the words that ruined the rest of my life, i said i don't wanna b Ur girl no More its going to av 2 end,
we both sat n cried but the next day i couldn't deniy,
id made the biggest mistake of my life , but u didn't want me bk, i begged n i pleaded for your mind to change but it was set out to hurt me, we'd Neva b the same, so I'm siting here now nearly two years on wondering if ill ever feel the same feeling again, u were my first and only love so how can i forget.:-(