More of my reading quirks

I've mentioned before that I can be weird about reading, more specifically, about what I read. Here's something else to add to that list. I don't like to read series books unless most or all of the series is already published. I don't like to have to wait to finish the story-- I want it all NOW! I didn't read the Harry Potter books until the first 5 were out. I didn't read the Twilight series until the first 3 were out. Also, when I did finally read those particular series, I finished each within a week. I'm a quick reader and reading everything at once just tends to make things flow better for me. I get more into the stories and more attached to the characters. The downside to all this is that I'm probably sadder when the series ends than if I'd read the books one at a time as they came out. (Brian would probably say that the BIGGER downside is that I get all caught up in reading instead of doing things like, say, laundry.)

Anyway, the point of all this is to say that I was REALLY annoyed with myself when, halfway through the last book I read, I looked at the back flap and realized that I was reading the first book in a series and the next book isn't scheduled to be published until NEXT SUMMER! I found the book interesting, and I definitely want to know what happens next. But of COURSE I can't just go get the new one when it comes out and read it. I have to reread this one just before the next one comes out. And if I like the second and there's a third? I have to read the first 2 again before IT comes out! And so on and so forth. Seriously. Before the 6th Harry Potter I read the first 5 again. And before the 7th I read the first 6. I'm just obsessive like that. Is it just me? What are your thoughts on series books?