Merritt Glover plays Mary in “The Twelve Dates of Christmas.” Between the noshing and the nostalgia, Mary catches her fiance cheating on her at the Macy’s Thanksgiving Day Parade. She spirals through a year’s worth of hapless holidays and luckless romances amid the quirky characters comprising her family. The Adobe Theater is presenting “The Twelve Dates of Christmas” in taped broadcasts at 7:30 p.m. Friday, Dec. 18 and Saturday, Dec. 19; and at 2 p.m. Sunday, Dec. 20, at adobetheater.org. ................................................................ Honed to a sometimes profanity-laced edge, playwright Ginna Hoben designed the show to resonate with any woman who has had her heart pulverized.