Provenza's continuing annoying of Flynn about the nature of his relationship with Raydor, and Flynn's constant correction of him - they're just friends.
Flynn: My situation with the Captain is completely different from yours with Patrice.
Provenza: So she's the Captain again, huh?
Flynn: *massive eyeroll* Okay, I'll answer your stupid question! You don't stop dating someone because it's going well. And if Sharon and I were dating, which we're not-
Provenza: Which you are, but nevermind.