If we learn to be less greedy, more empathetic, and more willing to give to those who need more than us without expectation of immediate reciprocation... then the answer is "better and happier". (I can't view the link now to see what it says about this, as I'm at work and my company firewall blocks it, but the idea posed in the post title is important to me, so I figured I'd leave my 2 cents.)