I believe with utter confidence that, in the majority of circumstances, a kid that feels good emotionally will behave well. I've used this idea as a compass with my children, taking note of the direction of their moods and actions; when I feel out of control as a mother, my children act like they're living without the comfort of sturdy boundaries -- because, in those moments, they are
Imagine having a co-worker or boss who constantly burst into tears when you asked her something totally innocuous, like whether she wanted coffee. Or maybe she comes running into your office every hour, screaming bloody murder because you didn't wear her favorite pair of shoes. You'd probably want to quit your job.