Answer:
family environment
Step-by-step explanation:
Josephina should resist the family environment. Because the environment plays an important role in the development of a person's life. We, all know that nature and nurture equally contribute to the characteristics a person develops in his or her life.
Josephina knows the negative impact of drug use.
She believes that her brother isn't a bad person instead of knowing that he drinks and smokes almost every day. So, Josephina might get involved in such a habit as he does.