To be or not to be happy? That is the question. Meanwhile there exists an opinion that much depends on person himself: his strivings, goals, views of life. Probably this is true but only to some extent. The notion of happiness can be intepreted in several ways while the two basic of them are psychological and biological evaluations. Psychological point of view suggests that many related notions such as feeling of satisfaction, joy pleasure and serenity thus being a person's state of mind whereas biological evaluation comprises first of all state of being healthy and not burden with an ailment. Since every person has his own regard on happiness and definite prerequisites that make him feel happy himself everyone uses his own methods to achieve it. For ones to be happy means to achieve an excellent career, high rank or may be general recognition, for others happiness is nothing more than to have a strong amiable family, children. No doubt this is the question of priority but most of the