The optimistic will lead you to find happiness in relationships, career, and personal. If you have a positive attitude will help you find a good job and keep it like you find, and then found out it was very hard work and earning less, but it will help you on the in the future. If a person is optimistic. You will see it is a good job and should get it. But if you look pessimistic. You will not want to work it You may have to let it sit, etc.