Not watching Olympics. I can't think of anything more boring to watch, than sports. Previous Olympic games were held in London, where I live - and it never crossed my mind to watch any of that either. I guess I lack the gene allowing for taking pride in other people's achievements...
"The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one." - George Bernard Shaw