Controlling Emotions: Human mind can generate positive as well as negative emotions. Anger, lust, ill-will, jealousy, greed etc are negative emotions, compassionate love, joyfulness, happiness, sympathy, generosity etc are positive emotions. Positive emotions are good for you and others, so you can express them any time you find them. They are constructive and they are widely welcome by society because they lead to happiness. However, negative emotions are harmful to you and harmful to others. So, be careful while to express them. Negative emotions are sign of weakness. That is the reason why shame is associated with them. Negative emotions are destructive and as much as the degree of destruction they can cause, that much shame is associated with them. For example: you might feel shame to express your lust openly to your family but you might not feel that shame to express your anger. Lust causes more destruction than anger that's why you do so. This is the reason why anger is digested in every society but not lust. And it depends on situation as well. You can openly express your anger to your family but you can not do that to others. For examples: if you are working in your office and dealing with bothersome costumers. You have to control your emotions, don't you? If you want to learn swimming, the only way is to practice it....This is science. Similarly, if you want to control over your emotions you have to practice to control them. ..... This is the same science you have used to learn swimming. If you want to quiet smoking you should stop smoking whenever you feel for it......This is science. If you want to quiet anger or lust or any negative emotions, you have to stop practicing them....This is the same science that you have used to quiet smoking. However, suppressing emotions is also equally dangerous. This is the reason why today psychologists/psychiatrists recommend to express emotions. Can this be a solution? I doubt! If I feel lustful for Aishorya Rai (which I don't :)) and express to her, Abhishek Bachhan will kill me :). If I get mad to my boss and hit him/her, I will lose my job. This is definitely not a solution.... If you want to learn how to control your emotions, you practice Dhamma. It will teach you step by step how to handle emotions; how to eradicate negative emotions; ow to feel heart with positive emotions and get happiness. However, don't forget, it is not easy. You have to go through all three stages that I mentioned earlier. You have to have desire for it. Then you have to use your best effort for it. Then you have to strive hard for it.... Happiness is very difficult to get; for that you have to strive hard and regulate your emotions, that's why many people in the world are not happy. But pleasure is easy to get; for that you just have to express your desire....this is why many people follow this path. But it is essence less! Remember one simple fact, all negative emotions are lead to restlessness and all positive emotions are lead to happiness. For happiness you must control and remove your negative emotions. You can not be happy when you have negative emotions in your mind.