The French economist Frédéric Bastiat explained the problem clearly when he wrote, “It almost always happens that when the immediate consequence is favorable, the later consequences are disastrous, and vice versa. . . . Often, the sweeter the first fruit of a habit, the more bitter are its later fruits.” Put another way, the costs of your good habits are in the present. The costs of your bad habits are in the future." Atomic Habits James Clear