Is it only me? Question about Harry Potter and the Half-Blood Prince?

I watched Harry Potter and the Half-Blood Prince today and I can't help but cry while watching the movie. I did not only cry when Dumbledore died. Before that, I already cried while I watched him and Harry talk. I cried so much when he said to Harry something about abandoning him when something happens to save himself. Maybe because I know that soon he'll be gone. Did you feel the same way too? Please tell me what you think of HP6 coz I just appreciated it now. Of course, I appreciated the stories before, but I was really strucked this time and really saddened. Albus Dumbledore is a really good man and he's one of the very few persons who Harry can trust. And he really believes in Harry. Ooh, I'm gonna miss him in HP.. ='(