too funny not to share

The quality isn't the best -- it's an iPhone photo of a library book, but I think you'll get the gist of it. With props to Harvey Karp, MD and his book "Happiest Toddler on the Block," I present to you concrete, scientific evidence behind the reason for my exhaustion:
If you can't read the legend, it says "Seven clocked minutes of nursery school behavior at different ages." See the upper right-hand box that's circled? Yeah. That's the trajectory of a mere SEVEN MINUTES in the life of an 18-month-old. I was reading in bed when I came across this graphic and laughed (silently, of course, so as not to wake Olivia) until I had tears streaming down my face. It's so true. I would love to strap a little GPS on her so I could see her (probably very similar to the above graphic, if not even more madcap) path at the end of the day.