When I was a collegian, we did a lot of work with the Ronald McDonald House -- washing their cars/vans, making dinner, playing with the kids, etc.

I remember having such a great experience there despite the fact that a lot of the kids were really, really sick. A lot of people think that they're going there to help out to make things a little easier for those kids and parents...but oftentimes it was I who got something out of it. And to this day, I have those kids to thank for that.