Maybe you should learn more about investment bankers. Good ones ensure people aren't poor when they retire, and they can have that boat or that second degree they've always dreamed of because they manage funds that affect many people.

They may help businesses weather recessions, to grow in ways that allow people big dividends. Businesses are mixed bags. Some are very selfish in practice, others share and spread wealth and whatever they produce. It comes down to values of that person and where they choose to be.

A nurse is also pretty likely to work a lot of hours and not very convenient times, and then they need to care for themselves. Men often go for nurses hoping for a carer but forget the ladies need care too.