Answer:
Step-by-step explanation:
They can help you get through hard times you're having in your life. They can give you advice on things, like if you should or shouldn't do something. They can help encourage you to stop unhealthy lifestyle habits. They can encourage you to go for your dreams, and to step out of your comfort zone.
This all depends on the type of friends you choose, some can do the opposite, and if they are treating you unfairly and encourage you to do unhealthy habits, that's when you know you need to find new friends.