1, no fat meat, no lean meat: dual method, two names with opposite meanings, indicating interest.

2, do not eat fat, do not gain weight: express two people's health awareness or aesthetics, show each other's self-discipline and self-confidence.

3, do not eat fat, not greasy: express two people's sense of humor or personality, make each other's life more interesting and relaxed, and also imply that each other is not greasy.