Everyone does everything to enrich themselves. The motivation for all life is to feel good. Sometimes money makes you feel good. Sometimes sex makes you feel good. Sometimes doing the right thing makes you feel good. In any situation, any person is going to be making the decision they make based on what will make them feel good. That includes "selfless acts" because even in those the joy of altruism can make a person feel good regardless of the hurt they may endure by their choice.

The key is finding people that feel good for doing good things. No one is perfect, but some people try harder than others. And don't put them on a pedestal. If the last few years have taught us anything, it's that our idols are just as bad as the rest of us.