Season 3, Episode 12: "The Red Dot"

-Yeah, so? -He's acting very strangely.

I think he started drinking again.

-Oh, boy. Can you smell it? -No, I can't smell it.

If you can't smell it, then he hasn't been drinking.

-You don't always smell from a drink. -Yes, you do.

What about one drink? Would you smell from one drink?

Yes, you would.