1-when s/he resists to you, be not stubborn. do not forget that you are a adult and s/he is a child.
2-Remember that this way of behaviour is feature of the age and growing.
3-do not treat your children such as anger, prevention, shouting, punishing for behavioral change. otherwise, S/he is out keeping with you.
4-Do not explain so much for un-solicited status. do not wait to understand you, do not again the same behaviour. as s/he grows they understand you.
5-in un-solicited status divert him/her by using games. Their attention span is so short. if you are creativity, you may be able to cause the child to lose concentration.
6-if games are useless do not cut the painter and cange your job. after a while you will see that the children calm down.

Do not identify your child as a misfit, poorly trained or problem child. after three age s/he is in evolution scale to understand you and attuned to your rules. you know that your child's development provess very well. Because some time a normal behaviour colud be utilized as a problem.