为你戒烟戒酒戒暧昧
[wéi nĭ jiè yān jiè jiŭ jiè ài mèi]
This username expresses the speaker's deep love for someone. It means that the person is willing to give up unhealthy habits like smoking and drinking as well as keeping relationships clear and not overly intimate (non-committal romantic associations), all just for this loved one.