Many working mothers feel guilty about not being at home. And when they are there, they wish it could be perfect. This pressure to make every minute happy puts working parents in a bind when it comes to setting limits and modifying behavior.

The three-year-old who lies about taking a cookie isn't really a liar after all. He simply can't control his impulses. He then convinces himself of a new truth and, eager for your approval, reports the version that he knows will make you happy.

Be aware that the more often a child hears the word no, the greater his need to say no himself.

Anytime you have a difficult encounter with your child, there is a good chance that at least one of these factors is bringing out the worst in him or her: transitions, time pressure, competition for your attention, conflicting objectives.