Keeping one’s weight down is a heavy load to carry, pardon the pun. Everywhere you go, fast food, you’re asked, do you want to supersize this or supersize that? In every grocery store, big or small, they pack the fattening stuff right where you’re sure to stand while waiting to check out. Have you checked out lately the dinner proportions most restaurants are serving? Forget the fork and give me a forklift.After all, who’s not hungry almost every minute of the day? At least 90 percent of the population.Anyway, the older I get, the more I realize, staying slim is ...