Many people suffer because they hold unrealistic expectations and fantasies. Besides wanting to get rich overnight, a bigger fantasy is to buy before a big rise and sell before a big drop. When they see prices rising, they regret not buying more, and when they see prices dropping, they constantly regret not cutting their losses earlier. After looking at the K-line charts, they always feel they should be able to do it. The less experience they have in the capital market, the more likely they are to have such thoughts, as they have been educated by the market too little.