Quote from Jerry in The Red Dot
Jerry: Yeah, so? Elaine: He's acting very strangely. I think he started drinking again. Jerry: Oh, boy. Can you smell it? Elaine: No. I can't smell it. Jerry: Well, if you can't smell it then he hasn't been drinking. Elaine: You don't always smell someone from a drink. Jerry: Yes, you do. Elaine: What about one drink? Would you smell it from one drink? Jerry: Yes, you would.