Trivia, Quotes, Notes and Allusions
Paul: What's the big deal with Valentine's Day? It's a made-up holiday. Nobody even knows who this St. Valentine guy was. Jamie: He was a Roman priest who defended the Christians and was beheaded by Claudius II on February 14, 269 A.D.
Paul: Why is it I love you any more in the middle of February than on, say, August 21st? You know, to me, every day with you is Valentine's Day. Jamie: So, in other words, you forgot to buy me a card. Paul: That's what I'm saying.
According to many cross-overs, the universes of "Cheers" and "Mad About You" are the same. However, Rhea Perlman's characters in both shows are different.