At age 12 it is near certain that you do not have the maturity to make decisions concerning sex.
At age 18 it is near certain that you have the maturity to make decisions concerning sex.
To reduce sexual co-ercion and rape, the age of consent should be set at 18 making special laws which prohibit sex with people with mental illness or psychological trauma. Anyone who wishes to change this law wishes to increase the instances of rape to increase the quality of their life which is evil.