Many weight-reduction clinics, for instance, understand that often a person’s private decision to lose weight will be too weak to withstand the blandishments of bakery windows, wafting cooking scents, and late-night Sara Lee commercials. So they see to it that the decision is buttressed by the pillars of public commitment. They require their clients to write down an immediate weight-loss goal and show that goal to as many friends, relatives, and neighbors as possible.
