Beyond not considering individuals in a couple as distinct entities, I would say that there is a definite school of thought that promotes general "niceness" & "civility" to anyone you expect to encounter with any frequency.
Heinlein's "social lubrication" quote is an example of such.
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branchandroot
The Life-boat Theory
Date: 2006-04-17 04:58 pm (UTC)Heinlein's "social lubrication" quote is an example of such.