在他的眼里爱她毁我很好玩
[zài tā de yăn lĭ ài tā huĭ wŏ hĕn hăo wán]
Reflects a painful observation where seeing him love another person who destroys oneself becomes some kind of game or twisted fun. Expresses jealousy and self-doubt, possibly mixed with bitterness towards this situation.