In article functions of consent and disagreement in natural easy communication are considered. In the center of attention of the author question: whether always the consent of the interlocutor with speaking is expected whether always it contains positive effect, and disagreement – negative? Material which is given by the author of article mainly within a consolation genre, shows that quite often consent has a minus sign, and disagreement – plus. Also some general features of consent and disagreement and also silence role in their expression are considered.