Sergeant Jeffords: Okay, so we've ruined their outfits. Why will that "reignite the passion"?
Jake: Because it will force them to change into clothes which I will have carefully placed at the top of their suitcases. Thus changing them both into a couple of thirst traps.
[flash-foward:]
Kevin: Kevin Cozner, preparing to descend the master stairca...
Captain Holt: Oh, I see you've changed into your... mock turtleneck.
Kevin: And you into your... exercise shorts.
Sergeant Jeffords: I feel dirty. You feel dirty?
Jake: I do. And I love it.