What do mood watch colors stand for?

I got this Watch by my Dad's friend. And it was a Mood Watch. And when i Opened it. It said " Keep it at all times when you're in a mood, check you're watch to see what's happening"

here are what the colors stand for.

Red: Excited

Black: Stressed

Yellow: Unsettled

Gray: Nervous

Orange: Daring

Green: Normal

Blue: Calm

Pinkish: Fear