Memento
Really really good movie, made me think and second guess myself a lot. I honestly did not predict the ending at all. Ending was crazy tho, he didn’t wanna accept the fact that he killed his wife via insulin shots, he didn’t wanna go on living life, so he lied to himself and told himself not to believe teddy, even tho teddy was right. (Teddy was still manipulative tho). He essentially marked teddy for death at the end to just keep living the lie that he could still find and get revenge on his wife’s killer.