The gang learns a new exciting (but poorly aged) way to initiate an intimate relationship with a date. Lily completes a list (awesome) of 50 reasons to have sex. Ted gets back out into the dating world.
Ted and Barney claim to be victors of a fight they never entered. Lily tries to teach her students that fighting is bad, but the students prove otherwise.
Robin pulls some reverse Psych on Barney to make him disinterested in her. In lesser stories, Marshall contemplates leaping to the next building and Ted battles a goat.
