Stupid CoWorkers

I’m in the middle of a remodel and 2-room addition at home, which, if you’ve been through one, is akin to walking through the Gates of Hell. I asked for this Friday afternoon off so I could be home to let in the carpet cleaners and linoleum layers. My supervisor said that would only leave 3 people at work, so, no, I couldn’t. So far this week, we have only had 3 people at work every day. Evidently it’s only a problem when I need the time off