When does a person normally reach emotional maturity?

Select two risk factors for self-harming behavior. a. having high self-esteem b being a teenager or young adult c. being female d. having never abused drugs or alcohol i know its going to be something funny and i'm gonna feel dumb asking it but its for my final test of the semester

Can someone give me a hand with this one.

How do i know when i have a stress headache? what are the symptoms?