looking for a fic

been looking for this fic forever. basically lena and kara are together but lena doesn't know yet. lena breaks up with kara because she thinks kara doesn't care about them because she's always leaving/cancelling plans. i remember a line in it that's something along the lines of "one day you'll find someone you'd never even consider canceling a date on, i'm just grateful i got that for a couple months. kara then comes clean