Because - oh shut up laughing, you two - because they've just been turned down by girls they asked to the ball!
If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.
It is our choices, Harry, that show what we truly are, far more than our abilities.
I solemnly swear that I am up to no good.
Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?
It matters not what someone is born, but what they grow to be.