Robin: Look, if it's true, if we are, you know, It's really not that big a deal. We know we won't have kids.
Barney: And even if we did, King Joffrey's parents were brother and sister, and he was a fair and wise leader!
Robin: No one ever needs to know but us.
Barney: Exactly.
Ranjit: I know.
Barney: [telepathically] We might have to...
Robin: [telepathically] Take care of Ranjit.
Barney: [telepathically] Hey, you just finished my...
Robin: [telepathically] Creepy telepathic murder thought! Aw. It must be a soul-mate thing!
Barney: [telepathically] Unless it's a weird cousin thing.