The Wife was going to blog this, but she's sleeping in order to be rested for skiing later today. I'll give it a shot.
Last night we were out at dinner, and the subject of reciprocity came up. We talked about doing something nice for someone while expecting something in return. I then asked son #1 the following question:
Dr. Chako: What do you call it when someone does something nice for someone and expects nothing in return?
Son #1: Is it... retarded?