Why Obama isn't feeling so good lately...

It's due to what is called "facial feedback" in scientific circles.

When you smile, your brain senses that your facial muscles are in a happy position, so your brain figures out that you must be happy and starts squirting the right chemicals around to make you feel good!

If you check it out, you'll notice that He isn't smiling anywhere near as much as he used to when he was first crowned King of America.

Don't think there's much squirtin' goin' on lately (even in the Master's bedroom)...