Forum:KB:Anakin's Intelligence

I have a question regarding Anakin's intelligence in Revenge of the Sith. He is goaded into killing Count Dooku by Palpatine, and does. Then later, Palpatine keeps telling him about how he hates the Jedi, and tells him about a Sith who could save pregnant women from dying. Then Palpatine tells him he is the Sith Lord becuase Anakin can't take a hint. Anakin then kills Windu because Palpatine told him a very vague story about a Sith, and then after Palpatine tells him he lied, he just goes and kills everyone on Palpatine's orders. Later he murders his wife, just what he did not want happen, gets mutilated, then just gets in the suit and becomes Darth Vader. Explanations?