Ouch! Shoveling snow always is a rather painful endeavor for me. Of course, that's probably because I'm out of shape, but my back and arms always pay the price. It was awfully nice of you to shovel for your business. Beat yourself up for the missed snow day if you must, but not for being kind.

Here, have a nice fluffy, snow-related fic to make you feel better: http://community.livejournal.com/tearstolaughter/42172.html