Maybe a famous couple we might be familiar with, or a Chart which honestly reflects their union, or vise-versa.There's already a lot of info out there on Paul Newman and his girl, or Paul McCartney and Linda, etc. Do you have any others couples in mind?
I guess it's easier to look at a famous couple we are familiar with to have a sort of visual or first-hand feeling in mind.
One thing seems true is that some of our fav couples have really "unlikely" Charts.
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... it's better to light a candle than curse the darkness