"No" is a word that must never be negotiated, because the person who chooses not to hear it is trying to control you... Declining to hear "no" is a signal that someone is either seeking control or refusing to relinquish it.
Gavin de BeckerThe hijacking of an American jet in Athens looms larger in our concern than the parent who kills a child, even though the one happens rarely, and the other happens daily.
Gavin de BeckerNiceness is a decision, a strategy of social interaction; it is not a character trait.
Gavin de Becker