Cause it will help people and you earn money for it.
Explanation:
As you know being a police is risking your life, you get paid average but if you're a professional you get higher pays and on top of that, you can help the people around you with theyre problems and make sure your community is safe and make your parents proud.
The purpose of sharing their feelings in the evening meal is so they will understand what the person felt and give them advice on how to stop negative feeling and make them understand that it’s ok to feel bad but help them get through it.