Ted and Robin discover that sex with each other solve their fights as roommates, which makes Barney very jealous and angry. Meanwhile, Marshall reveals that he's too embarrassed to use the office bathroom.
Pure Imagination: Willy Wonka and the Chocolate Factory (Instrumental) — Robbins Island Music Artists
When Marshall approaches the bathroom on the unused floor of the building. (11:35)
Longhorn (John "Bradshaw" Layfield) — Jim Johnston
When Marshall approaches the bathroom, and imagines "Super Hot lady who my wife keeps telling me why you're famous" (AKA Kim Kardashian) giving him a motivation speech.