Do a woman need powerful force?

I am a woman Sometimes I do not know if women really need such a powerful force of self-reliance.Home of several of the female students who married a mother I know it is still young and brilliant 21-year-old age, but remained more or less several times in Shanghai South Railway Station so I am not willing to go back and be my one in Shanghai alone, nor am I pro -I have also not yet mature enough for no reason is not self-protection.