Edited sentence: Additionally, he hangs up the phone then proceeds to pick it up again and continue where the conversation finished in the previous call.Another aspect of inconsistency that weakened the character of Leonard Shelby was his sense of suspicion.Despite the cinematic ingenuity that is presented in the film “Memento,” there are some aspects of this production that diminish its appeal.For example, the telephone conversation that is portrayed in black in white and spliced throughout the movie is much too long for him to have remembered the entire conversation.His entire identity is based on a thorough lifestyle that leaves no room for error.However, his character becomes ‘inconsistent’ for a few brief moments.If his handicap was consistent then the duration of the phone conversation would have been too long.Let me explain, there are scenes throughout the movie in which Leonard is highly suspicious of everyone he interacts with, and other times he is suddenly very trusting.Obviously, when a film creator is dealing with a main character who is mentally handicapped there must be an extra level of attention to the details concerning the consistency of the character’s handicap.One of these moments occurred on the first night he stayed at Natalie’s house.The storyline leads the viewer to believe that Leonard is always cautious.There are scenes, in the movie, when Leonard Shelby does not consistently portray his short-term memory loss.There is no way, if his character was consistently cautious, that he would have remembered the discovery much less written it down without further verification.These criticisms are clearly not devastating to the overall story in the movie.They are, however, enough to slightly diminish the credibility of Leonard’s character and thus diminish the quality of the film.This might have been an undeclared side affect of his condition; nevertheless, he is more cautious in some scenes than others.While in bed, he is thinking aloud to himself, and he decides to leave the bed and write a note about Natalie on the back of her ‘personal Polaroid.’  The sentence that he writes on the back of the picture was something that he discovered earlier that same day