When you’re feeling anxious or down, you tend to have a rather grim face, and your thoughts, which are keyed to your emotions, are similarly grim. If you try laughing off your mood, you engage facial and body muscles associated with positive emotions.
Source: Self-Soothing Techniques: Distraction @ CenterSite.net: Connecting you to your community
image: smiles by Jesse Barker under Creative Commons license
