Ted: I can't believe it. You drank all my milk again!
Robin: We can have sex.
Ted: Okay.
[later, at MacLaren's:]
Ted: It's the perfect set up. Anytime we start getting into an argument, we just have sex instead. One minute we're just laying into each other, and then the next minute... Well, same thing.
Barney: Awesome.
[Barney smashes another TV out back]