The man of the house was getting frustrated with his yard. The grass just wasn't growing, wasn't green and lush like he had expected. He tried weed-n-feed, extra watering, and reseeding. His grass just wouldn't grow. The angry man sat down in the middle of his yard, and yelled out, "Why aren't you happy, grass, I've done everything for you!"
The grass replied, "Because I'm just not in the mood, dude. Don't you know what I am? I am crab grass! Now leave me alone. I am really not in the mood!"