I meant to recharge my Creative Zen after my 4-year-old daughter ran it down watching "Shaun the Sheep" and listening to her dance party mix.

Instead, the kids were treated to several days of mommy's "Life Sucks But Let's Sing About It" music.

As a result, my daughter has a new favorite song: "Bad Day" by Daniel Powter.

Imagine a dimply preschooler belting out: "You had a bad day. You're taking one down. You sing a sad song just to turn it around."

Is it pathetic? Funny? Positive?

The other day, a friend asked me what a 4-year-old knows about having a bad day anyway. We pondered it for a half-second, then agreed that 4-year-olds know everything about bad days.

Think you're having a bad day? Try hanging out with my daughter when she's missed her nap.

I'm not saying that adults can't be just as melodramatic as children, but the older we get, the easier it is to resist the urge to crawl under the covers just because someone asks you to be quiet or throw yourself on the floor because someone says "wait a minute."

It all got me thinking about the things that ruin her day: