Holiday season excitement starts at the beginning of November and only builds in intensity until the crescendo of Christmas Day, when friends and family gather from all corners of the country to celebrate love and intimacy. However, after the clock strikes midnight on December 25 and the holiday festivities definitively end, most out-of-town guests hang around for a day or more — with nothing to do but twiddle their thumbs. The come-down from Christmas is swift, and most holiday hosts lack the energy to continue accommodating guests for much longer. Fortunately, many of the easiest post-Christmas activities lack serious preparation,…