Body Language Tips for Lifting Your Confidence Practise smiling. Smiling not only makes you more attractive, it also improves your health. Smiling slows the heart and relaxes the body. 16 It also can trick you into feeling happy, even when you feel sad as you’re smiling. Pay attention to posture. Good posture is essential for avoiding back and neck pain, preventing muscle aches, and keeping your bones and joints in proper alignment(排成直线). Good posture also reflects a confident manner to others. 17 . Have a strong handshake. A strong handshake is a