I'm not sure where you saw the term so I don't know if this is what they were referring to... but generally MILK is an acronym for M.I.L.K - Moments of Intimacy, Laughter and Kinship cards.
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__________________ Louise Bergmann DuMont Author, Speaker, Serious About Her Coffee, Lover of all that is Chocolate...Worshiper of El Shaddai (The All Sufficient One)
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