Of course, no one set rigid frames of normal sizes and it would be stupid if it were so. Men themselves figure out whether the size of his organ is sufficient, focusing on their own aesthetic views and preferences of their partner. Note that length does not in any way affect a woman's satisfaction during a relationship. Yet a deviation from the norm is considered to be less than 8 cm in length. The length and thickness are genetically determined, and are also predetermined by the characteristics of the physical growth and development of the boy.