Many years back, I read an article about the affects that smiling can have on your mood. The gist was that putting a smile on your face can make you feel happier. I have thought of that article many times over the years and have tried put the theory to use. It hasn’t always worked for me but many times it does.
If you’d like to read more on this, here is a NY Times article from 1989 (very similar to the article I read back then). It’s called “A Feel-Good Theory: A Smile Affects Mood” By DANIEL GOLEMAN
Oh and success! She actually has an expression on her face. I guess pulling your hair up tightly will do that for you.