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improving your social interaction, recognize the new and/or deeper 
friendships as being your rewards.  
STEP SIX: Make plans to maintain the gains you have achieved.  
As noted in chapter 2, most bad habits have a way of gradually 
growing back. So, once you have achieved an acceptable weight, it 
pays to monitor your weight closely, at least every week for 3 or 4 
months (probably forever). As soon as you gain two pounds, 
immediately start watching your diet and exercise for the next few 
days until you lose the two pounds. After several months the desired 
behavior will become so routine that it will require little attention, 
except for a moment of attention occasionally to be sure you are still 
on target.  
Time involved  
The simple "behavior-reward" agreements take almost no time at 
all, just rearranging the order of things in our lives to serve our 
purposes. More complicated contracts take more time. The first three 
steps may take 1/2 to 2 hours. The actual reinforcement of every 
response (or after a few responses) will take detailed scheduling and 
arrangement of rewards--perhaps 30 minutes every day but more 
likely five minutes. Later, it takes less time. It will probably be several 
weeks before the new response is automatic (see "positive addictions" 
in chapter 4). Habits are hard to predict, some changes are easy, 
some are unbelievably hard.  
Common problems with the method  
Many people resist the idea of having their lives mechanically 
determined by rewards and punishment, even if they are entirely in 
control of rewarding the desired behavior. Some people just aren't 
organized enough to count and frequently reward a specific behavior. 
Nevertheless, the method works well, so if possible, give it a try.  
When required to make a self-improvement, reinforcement is the 
most common method used. I've seen thousands of such projects. 
There are two really common problems: (1) the self-helper wants to 
depend on the naturally occurring consequences. Examples: "Better 
grades will be my reinforcement for studying more" or "Good 
friendships will be my reward for being more outgoing and social." My 
response to those proposals is "those rewards have always been 
available to you for studying or socializing, and they haven't worked 
yet! More reinforcement is probably needed to get you to change." (2) 
The reinforcement is not closely associated with the necessary daily 
behavior. Often the payoff is months later. Examples: "I'll get lots of 
new clothes when I'm down to a size 8" or "My health will be so much 
better after I have been on an exercise program." My response is "you 
need to reinforce every little behavior along the way--every refusal of 
fatty meat, dessert, a beer, etc. and every 10-minute walk, aerobics