5.Try to develop a habit. For example, everytime you have a jealous, negative thought about your best friend, do five push-ups. Everytime you think a positive thought, reward yourself with your favourite candy.
学会控制。譬如，每当你发现自己嫉妒别人的时候，你就做5个俯卧撑，嫉妒情绪过后，给自己好好补偿一下。