Franz Ferdinand - Walk Away Lyrics Meaning

He loves her, but defiantly tries to convince himself and her, that he cares not if she walks away, and that despite her great beauty and egotism, her departure is really not that big a deal and the world won't notice, nor care. But later, even though he is trying not to be a believer (or sucker) in true love, he admits that her walking away is a big deal, and the evil of hate has conned him out of happiness.