Whats the name of this song?

can someone plz tell what the name of this song is

"If I could write you a song to make you fall in lo-ove I would already have you but, under my nose* you used to fall for my tricks I hope that you like this but you probably won't..."

* i'm not sure if nose is the right word
all i know is that was my fave song in 2009 or 2010 but i never knew the name and now it's come back to haunt me so please answer :(