My cousin’s display message on her BlackBerry on Saturday morning read “parents need to fill a child’s bucket of self-esteem so high that the rest of the world can’t poke enough holes to drain it dry” . That message got me thinking. I called her and we had a lengthy conversation about people who have a strong sense of self and those who don’t. We also talked about kids we knew and how they fared in life because of how they were treated at home.It’s...