抽烟伤肺不伤心喝酒伤胃不伤心
[chōu yān shāng fèi bù shāng xīn hē jiŭ shāng wèi bù shāng xīn]
Smoking hurts the lungs but doesn't hurt my heart; Drinking damages the stomach but not my heart. It signifies a sense of being unaffected emotionally by actions that are harmful physically.