Brian is typical of his cohort. he is approaching age 30, has conquered his drug addiction, and now drinks very moderately. what prompted him to change?

What would most likely prompted Brian to change as he was about to approach his age at 30 is that he has the sense of maturity kicking on himself that made him change. He must have realized the facts and reality that will happen to his life is he didn't change his poor habits.

C. is the answer ur welcome