1 No. People have very different ideas about good and bad behaviour
2 It is never naughty or dirty for small children to wet or soil themselves or to feel jealous, crying.
3 crying is the way of expressing someone's feelings to someone else.
4 children want to make some decisions on their own and reject others words.
5 you should give good example for your kids and let them be independent sometimes, because everyone profits by her or his own mistakes.