You're discouraged from doing illegal narcotics.
Ian has been having a pain in his lower back for weeks.
Ian wants the pain to go away.
Ian goes to the doctor who prescribes him a bottle of oxycodone.
Ian goes to a drug dealer on the street and buys oxycodone pills.
Ian feels better after he starts to take the medicine that the doctor gives him.
Ian is later arrested and taken to jail for possession of drugs.