also alternatively titled "reasons why I went to the midnight premier in full costume" and "reasons why I am probably going to be seeing this movie for the third time this weekend".
1. This is it.
This might officially mark the end of your childhood. After a decade of Harry, Ron, and Hermione, it's coming to an end. You've aged with them, grown with them, and now you're reaching a point where there isn't any more. Harry has the horcruxes that he needs to defeat. You've just got to try to make it through this last half of the last movie without bawling.
2. You didn't go to the midnight release of the book for nothing.
Four years ago, the summer after you turned 13, you pulled your first all nighter. Curled up in your living room, you read for six straight hours, still wearing the radish earrings that you made for your Luna Lovegood costume. If you don't watch this movie, this thirteen year old will bite you and then post some sub par angst poetry on deviantart.
3. Severus Snape. Alan Rickman. Really voluminous hair.
need I say more?
4. Remember that crush that you secretly had on Neville Longbottom?
Oh yeah, bet you didn't know that I knew about that one. (or was it really just me? because I had a huge crush on Neville Longbottom.) He takes the DA over, protects some first years, and then becomes a total babe. Bet you didn't see that one coming when he was lifted onto that chandelier in second year Defense Against the Dark Arts class by cornish pixies, did you?
5. You're in good company.
A group of twenty carolers came into my theater singing the mysterious ticking noise and songs from A Very Potter Musical. A girl twelve rows behind me was wearing the same pair of spectrospecs as I was. Harry Potter pick-up lines were being dropped like there was no tomorrow. (is that a wand in your pocket, or are you just happy to see me?) Best of all, this is a group that knows you. They're the socially awkward masses, and they won't judge you if you leave the theater just a little bit teary eyed.
So go ahead. go hide in a movie theater for a little while. watch harry potter. if you get hungry, just turn around. I'll be the one in the row behind you with a bag of red vines.