They could get too accustomed to having money, leading them to become greedy and selfish.
If Joey decided to take Pre-Calculus his senior year in high school because he plans to go to college then this is a wise decision that puts future goals ahead of short-term fun.
Answer:
The coat of armor sets the police up as guards. Like a knight in armor, it portrays a deliberative image that allows the audience to derive a connotative image of a hero, doing all they can to serve and protect in their act of duty.