Robin: Wait. So you wrote the dinner we're about to have?
Barney: Yeah, yeah. Just a short script. Just things that will make my mom happy to hear.
Robin: What kind of things?
[fastforward to dinner:]
Margaret: And I really thought Barney had forgotten our anniversary. So I storm out to the backyard, and there's smoke coming out of my ears.
Barney: Nostrils flaring. Her nostrils flare when she gets mad. I love it. Oh, doing it right now. Doing it right now!
Margaret: You better stop, mister!
Barney: Okay, okay. Sorry, sorry, boo bear. Continue. [to Ted] This is what you're actually like in a relationship.