Also, when you think about the name of the song "There's A Reason These Tables Are Numbered Honey, You Just Haven't Thought of It Yet" implies that the narrator might have put the laced cigarettes on a specific table according to the number table his ex-girlfriend made reservations at or had been told to sit at.
Lying Is The Most Fun a Girl Can Have Without Taking Her Clothes Off is when the man and woman decide to take a break and refers to how she is now seeing another man. Intermission is their break. The story then skips a few years 'til when the man and another woman are together and are getting married.