A few times a year, occasions arise that are truly special: your birthday, Thanksgiving, an anniversary. These events are almost always celebrated with foods laden with sugar and saturated fat -- things that make it delicious to most tastes but age your innards. Still, it’s OK four times a year. Go ahead and dive into the delicacies around you. Sharing your happiness over a meal is a fabulous and cherished part of life. But limit it to four occasions for the year.