Dean being told the truth (Even Crowley knows that Dean is awesome) it breaks my heart that he doesn't think of himself like this. But we all that it's because John beat him both physically and emotionally and that pisses me off more than anything
Some people are like rainbows. They come after the storm, an angel. On the outside, they're all colour and beauty; on the inside, they're empty. Soon you realise that all the goodness you saw was just a trick of the light and they fade away into nothing.