Any other day?

I've been thinkin' about that saying "any other day" and I've tried to remember if I've ever had a day that was just like a day that I had previously had... besides the fact that I seem to have a bad memory, I can't. So the philosophical conclusion that I have come to is that every day must be unique. Which in itself is a pretty cool idea - especially if yesterday was a bad day (which it wasn't in case you were wondering). But then the same things seem to happen - well at least there seems to be a pattern.... so the same things seem to be happening at work today as happened yesterday?  Maybe I am stuck in an infinte loop? Nah, but there might be a good analogy in that -  situations in our lives are like computer code - usually a do... while, or if... then statement...  but no time to flesh this out now... maybe another day :)