The ultimate back-and-forth couple... who we all knew would end up forth in the end. But it took a baby and many other boyfriends and girlfriends in between before Ross and Rachel arrived at that same conclusion on Friends. Just never use the word "break" around these two.
Joey: (About Chandler's third nipple) I can't believe you. You told me it was a nubbin. Ross: Joey, what did you think a nubbin was? Joey: I don't know. You see something, you hear a word, I thought that's what it was. Let me see it again.