HALLMARK MOVIES EXPLAINED, including the top 15 elements of a Hallmark movie. Plus: “In fact, in Hallmark Christmas movies there is one scientific certainty: Kisses cause snow. Lips touch and down come the fluffy flakes. Own a ski lodge? A reunion of Hallmark movie stars would be better than a snow machine. Relief groups should send Hallmark Christmas couples to drought stricken lands in order to generate moisture.”