As I write this, there are a couple of inches of new snow and a real winter chill in the wind. If that doesn’t make one think about the holidays, guests for dinner, making lists and shopping, I don’t know what would. There are so many things to do and not enough time to do them all, especially if you like to get things done ahead of time.About 15 years ago, when planning our daughter’s wedding — which we were planning to do ourselves (without caterers, florists, or a rented hall) — a friend, who was then a caterer in …