1. Aw... *sigh*
2. I love that song.
3. Finn got teary-eyed.
4. I am always in awe of the way Rachel can do the single tear down her cheek while she's singing.
5. It pays homage to one of my all time favorite moments on one of my all time favorite tv shows, My So-Called Life. See below. (The homage starts at 1:14 on the Glee video.)