How I Met Your Mother (TV Series)

The Mermaid Theory (2010)

Neil Patrick Harris: Barney Stinson

Quotes 

• Ted Mosby : Hey guys, Zoey just told me about this great Frank Lloyd Wright retrospective, who's in?

  Lily Aldrin : Sorry, I'm ummmm... I don't know, washing my hair.

  Marshall Eriksen : Running the water.

  Robin Scherbatsky : Holding the towel.

  Barney Stinson : I'll be home trying to get over the fact that no one invited me to the big hair washing party.

• Lily Aldrin : Whenever we're alone you spend the entire time undressing me with your eyes, you even take off my shoes.

  Barney Stinson : High heels chafe my shoulders.

• Lily Aldrin : Anytime a single guy hangs out with a married woman there are rules that must be followed. Rule number one...

  Barney Stinson : Don't use the husband's condoms, that's just rude.

• Barney Stinson : Told yah, The Mermaid Theory, it's a thing. You owe me five hundred bucks.

  Marshall Eriksen : Did we bet on this?

  Barney Stinson : Let's say yes.

• Barney Stinson : [Explaining the Mermaid Theory]  Mark my words, Marshall, someday you will find Iris so excruciatingly attractive you won't be able to look her directly in the boobs.