Well, for starters, he could suggest that she keep sweets out of the house to avoid temptation, or that she put aside part of one of each day’s meals for a midnight snack. The idea is not to get overly scientific or precise, but to help people change their habits.
好吧，首先，他可以建议把糖类驱逐出家里，以免受到诱惑，或者可以把正餐中的一些食物生下来当夜宵吃。这个主意不是为了科学或精确，而是为了帮助人们改变习惯。