Everyone has a beautiful heart, so you should treat him with a normal heart. Amy shows that he loves life. Such people are generally healthy, so don't worry too much. If you are bored, don't look at his head. Think more about his kindness to you, and it's all over. Put yourself in others' shoes. If she were your mother, you wouldn't be so disgusted. Think of it as your mother, and you will be relieved.