I mowed the lawn today, and after doing so I sat down and had a cold beer. The day was really quite beautiful, and the drink facilitated some deep thinking. My wife walked by and asked me what I was doing, and I said, "Nothing." The reason I said "nothing" instead of saying "just thinking" is because she then would have asked, "About what?" At that point I would have had to explain that men are deep thinkers about various topics, which would lead to other questions. Finally I pondered an age old que...