My Rebbe, Rabbi Shalom Arush says that we need to thank Hashem for the difficulties that He gives us with our children. The difficulties are meant to help us realize that despite our best efforts, our children will not always please us, appreciate us or make us proud. We need to let go of the silly idea that everything that we want or expect from our kids should be coming to us. This was the arrogance of Haman, the evil one. Every Jew in the city of Shushan was bowing down to Haman except one - Mordechai, and this was still not enough for him. Hashem wants us to be one with our children. If you keep loving your kids without expecting them to reciprocate or give you honor, Hashem will give it to you instead.
Wishing you Blessings Always,
Dr. Zev Ballen