1. Practice smiling. Smiling not only makes you more attractive and trustworthy, it also improves your health, your stress level, and your feelings about yourself. Smiling slows the heart and relaxes the body, and it releases endorphins that counteract and diminish stress hormones. It also has been shown to increase productivity while performing tasks. According to several studies, smiling can trick your brain into feeling happy, even when you feel sad as you're smiling. Action Steps: When you wake up in the morning, stand in front of your mirror and smile at yourself. Yes, you will feel foolish, but practice smiling to yourself for a minute or two. When you're in your car or alone at your desk, practice smiling. Be aware of the impact smiling has on other people, and remind yourself to smile more often with others. 2. Pay attention to posture. You practice good posture when your position sitting or standing creates the least amount of strain on supporting...