Now let's talk about the most popular chord of the topic "Love"! Helen Fisher, a renowned anthropologist, uses a precise scientific instrument-the MRI-to study the brain changes in love and lovelorn people, and to analyze the effects of love on humans. You may be curious, why even if the person who has been the right to refuse, or refused to dislike the people, and even suffered a lot of emotional shock, after a period of time, people still want to love again, to talk about feelings, even if it will be hurt again?