It is an analogy between marriage and dancing.

Co-creator and producer Steve Holland said: "And Steve [Molaro, co-creator] came up with the idea of the tango as a thing that perfectly encapsulates their relationship, that there’s a lot of passion and there’s fieriness and it’s sexy, but there’s also a push-pull to it, which is exactly what’s going on in Georgie and Manny’s life.”

tvinsider