>>>Libido sustains a relationship for three years max IMO. Then it's down to how much you really care for each other.
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>>IOW, do you really care to maintain the libido.
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>>Short of overwhelming physical disability, I don't see a good reason why tenderness should not remain important in a relationship.
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>I agree. I am just submitting that the mind-obliterating passion of the early stages is not destined to last.

Mind-obliterating kind not, for sure. But then, such one also isn't much of a foundation for a lasting relationship.