Successful dieters usually declare certain foods to be completely out of bounds, or allowed only during occasional designated cheat meals, rather than expecting themselves to eat everything in moderation.
It might seem like a simple matter of self-control. But it turns out that people with high self-control may not necessarily be better at resisting temptation. They might just experience it less often in the first place.
"We've always done it that way." "That's the right way." "Everybody does it this way." "That's standard practice." Whenever you hear those phrases, or anything like them, sound the Groupthink Alert. Here's now Wikipedia defines "groupthink" "Groupthink is a psychological phenomenon that occurs within a group of people, in which the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.
Another subtle form of groupthinking: When there’s a problem to solve and you call a meeting for example, the group wrestles with the problem and comes up with a workable solution. At that point most groups declare victory and adjourn.