When a character refuses to comprehend a particular fact. They'll especially turn it up when someone attempts to tell them directly, which usually results in said would-be confessor aborting the attempt because not only was it a difficult subject to begin with, they can't bring themselves to smash this person's sense of reality. Stop laughing. This is one person's cross to bear alone. This contrasts with Weirdness Censor, in which everyone except the main characters is oblivious to the bizarre occurrences around them. Examples of Selective Obliviousness include: