Getting yelled at on the subway because I bumped into a woman whose husband felt protective is an opportunity to learn. Watching the cops break up a fight is an opportunity to learn. Bugs in the code are an opportunity to learn. Bugs in other people's code is an opportunity to learn. Struggling with XML namespaces is an opportunity to learn. Going through boxes of papers and sorting them into ever-smaller piles is an opportunity to learn. Watching a mouse scurry across my floor is an opportunity to learn. Mouse-proofing the baseboards is an opportunity to learn. Admitting that I am powerless over my addiction is an opportunity to learn.