Avoided watching School Days because I heard how it ends. Well, even though this is a spoiler I was glad to know, because if I watched would be very disappointed.
Avoided Boku no Pico because I saw some gifs and pics and well.... you guys should know
Avoided Aku no Hana after seeing that animation D:
Avoided Higurashi no Naku Koro ni because I got scared after seeing
thisAvoided Detective Conan because has too many episodes, I have no patience to see all of them (even though I watched One Piece and others with 200+ =.=)