Every January, in the winter wonderland of northern Michigan that we call home, ski season kicks into high gear for our family. Four to five days a week, we are at the ski hill getting exercise and fresh air. Our girls love skiing. Our twins, now 7, and our eldest daughter, now 10, have been on skis for the past five years. They’re adventurous and love speeding down the hills. One of the questions we were asked most often before moving to northern Michigan was “What about the winters?” What about them? It’s one of our favorite times of the year, because we can play in the snow. We have the opportunity to engage in new and exciting experiences all year long, for which we’re grateful. New experiences are integral to our happiness. You’ve probably heard about the research that shows that adults derive more happiness from spending their money …