Definition of mutism. : the condition of being unable to speak whether from physical, functional, or psychological cause.
Adolescents rushing to become adult have pushed the government reconsider the age of responsibility. Therefore, 21 is the age of responsibility taking account: decision making, impulse control and maturity. To begin with, the age of responsibility is defined by a persons decision making. Poor decisions at times lead teenagers to more dangerous/complicated situations.
The laws of each jurisdiction set the minimum age at which a young person is allowed to engage in sexual activity. This age of consent is typically between 14 and 18 years, but laws vary. In many jurisdictions, age of consent is a person's mental or functional age.