Rewatching the Harry Potter movies, clear on everything until Half-Blood Prince.

Spoils for up to book/movie 6 of the Harry Potter series.

Background, years ago I watched all these movies once they were out (I think back when Netflix did DVD rentals? O_o)

So I've seen them before. But I forget a LOT about them. I remember they did slowly get more and more confusing as they went on. I'm happy to say I made it through the first 5 movies with 100% understanding of what was happening.

A little confused by number 6 though. So Gandalf--I mean Dumbledore insists that Harry go full spy on Professor Whatshisname because young Tom Riddle was getting into some kind of dark mystery magic, and Big D needed to find out what kind of magic it was to stop him. Turns out it's horcrux magic. D reacts all shocked after the memory, and is like oh shit, I never expected it to be this kind of magic. He literally says something like that.

And then Harry is like, what's a horcrux?

And, I shit you fucking not, Dumbledore opens up his desk drawer and is like, I got two of them right here. Tom's old magic book and his mother's ring here, they're his horcruxes, I even tried to destroy them already and that's how I got "mah good hand lemme get those mashed potatoes for you".

So...uh...anyone else confused here? He needed the info that Voldemort used a special dark magic called horcrux magic, was surprised by the fact that he used this specific magic, and then is like yo I already got and know about these two horcruxes right here in my desk. Why did he need to know this secret mystery memory when he already knew about the horcruxes?

AND THEN!

He somehow already knows about the third one, the locket in the creepy ocean cave, and takes Harry to go get it. How did he know the location of this horcrux?

I feel like it's at this point in the movie series where they really start cutting out tons of stuff from the books, and I'm sure the book explains all this much better. And I feel good that I understand everything before this on this rewatch (when I first watched these movies, I got confused on a lot of things, such as why Black was all insane and wanted to kill Harry and then suddenly was all nice to him, and also how Harry got teleported to the graveyard where Big V is resurrected, and other stuff that gets explained really fast, but I got all that stuff on this rewatch, just getting confused on movie 6 now).

Please no spoils for last two movies! Even though I've technically seen them before I forget a lot of them.