Sad? On the Contrary.
He got what was coming to him - the loss of probably the best woman he'll ever be with. I was happy she wised up in the end, though I was a bit surprised she even went back after the movie/restaurant thing. What a jerk.
Fits the music really well though, and has a great animation style. The only thing missing is an optional lyrics display at the bottom. I can't watch the video in one tab and follow along with the lyrics in another tab at the same time.