是你的多情让我学会绝情
[shì nĭ de duō qíng ràng wŏ xué huì jué qíng]
It's Your Passionate Affection That Made Me Learn How to Be Cruel: A self-protective attitude after repeated heartache, meaning 'your frequent affairs make me indifferent' - reflecting a sense of being emotionally damaged by another person's actions.