 And so this conflict is caused by either rivalry or comparison or unequal attention. I mean, it just happens of two people living together. And I think there's a normalcy to it. It doesn't mean that it's all okay. And I know that moms and dads get tired of the constant bickering and fighting and the arguing back and forth. But there is a normalcy to it. The challenge is for a parent to kind of guide and direct that child.