In life, we often feel that we were misunderstood or hurt by others because we were too kind. However, kindness is a virtue that can make it easier for us to gain the respect and trust of others. If you felt that you were a fool in the past, you could reflect on your behavior and way of thinking to see if there were any improvements. At the same time, you have to realize that not everyone is a good person. Some people may use your kindness to achieve their own goals. Therefore, you must remain vigilant and learn to distinguish between true and false, good and evil, and don't trust others easily. This way, not only could he avoid being hurt, but he could also protect his kindness and dignity.