 Ted does not know this, and Mary eventually slaps him and leaves when Ted insists that she's a prostitute.At the bar, Barney insists to Ted that the reason he got on so well with Mary was because he thought he was on to a sure thing anyway, but Ted reveals that he's had the last laugh by never checking out of the hotel room, and leaves to increase the already hefty bill on Barney's credit card.Critic Ryan J Budke of TV Squad enjoyed the episode and praised it for being "true to life" in the way the characters relate to each other, noting everyone has someone they can have a "telepathic" conversation with.