It's Friday

I love how you can use the "It's Friday" excuse for pretty much anything that you screw up. As long as it's Friday of course, otherwise people think you're crazy. I think I've used it twice today already. For instance, someone can tell you one thing and you can stare at them blankly for 5 seconds before realizing what they want, and then use the excuse "Yeah, it's Friday." Brilliant.