This right here, explains the whole scene when Harry dances with Hermione. It's actually one scene that wasn't in the book that I absolutely loved in the movie, 'cause it showed how much Harry really cares about Hermione as one of his best friends.
Can't find the source easily. "I myself am entirely made of flaws, stitched together with good intentions." Augusten Burroughs “I myself am made entirely of flaws, stitched together with good intentions.
In life you will realize that there is a purpose for everyone you meet. Some will test you, some will use you, and some will teach you. But most important are the ones that bring out the best in you. Those are the ones worth keeping around. :) So true.