Answer:
you could learn to live happier,healthier understand the human mind a lot better and how it works you could be saving your life and saving others from sadness if you do have sucidial thoughts if you get mental help it could make you understand why thou have your thoughts and how to train them
Look at the way that they act. If they are into doing rebellious things, that could be bad. If they hang out with kids that you know aren't good kids, that could also be bad. If they ask you if you want some drugs or alcohol, that is DEFINITELY bad.
