Discipline without love or some care starts to look like authoritarianism, so if you're not careful you can instill a strong sense of oppositional defiance and

Discipline without love or some care starts to look like authoritarianism, so if you're not careful you can instill a strong sense of oppositional defiance and make things worse. This is a very difficult problem to solve and people will often support the stick and complain that someone doesn't deserve the carrot. Everyone needs both.