Greed is a dangerous emotion. It causes suffering because greed creates in us an attitude of never being satisfied. Enough is not enough. Actually what we need is to fulfill our need, but instead of being satisfied fulfilling our need, we put greed in charge of our life. We want more and more. We are never satisfied. Therefore, we are always unhappy. In the beginning, greed creates that stress and anxiety that makes us unhappy. Then even if we get something, we become so possessive that we fear losing it. Again, greed causes suffering. And if we don't achieve what we want, we become angry and frustrated. Again, greed causes suffering. Greed can only cause suffering and nothing else. Greed can never give us happiness.