Be happy! Love yourself!
You don't know how? Well... Let me share my ideas with you then:
First of all, don't criticize yourself under any circumstances! If you feel like that, look at the mirror and say to yourself "I accept myself as I am". Nothing terrible if you did something wrong, making mistakes is only human's nature… Search for and find good qualities in yourself! Write down a list of your good qualities, and add something new from time to time…
Try method of repeating positive assertion about yourself. In some time your brain begins to believe in it firmly. For instance, repeat phrase "I approve of myself". The more you speak it to yourself, the better. When negative and denying thought come to your mind, such as "How can I approve of myself if I am so fat?" or" It's silly to think that such exercise will help me", it means that it's time to take control over your brain! Don't pay attention to such thoughts, accept the thought as it is and "let it go in peace". Say to