Snowflakes fall silently from the sky as bright-eyed little faces peer out frost-covered windows. Best friends gather around a candlelit table, dishes clanking, laughter wafting in the air. Family members from far away places knock at your door, excitement erupting into hugs and hellos the moment you welcome them inside. An ideal Christmas is easy to imagine. But it’s hard to live out. Despite what commercials portray and Facebook depicts, life’s celebrations are often far from perfect. Our children misbehave at the worst possible moment. Our plans get altered at the last minute. Our family’s disfunction erupts at the table. If there’s anything I’m learning this Christmas season, it’s to…