What counts as a “material change in circumstances” in a Tennessee child custody battle?

What counts as a “material change in circumstances” in a Tennessee child custody battle?

What role should a parent’s gender play in a Tennessee child custody dispute?
Facts: Mother and Father are the divorced parents of two daughters. The operative parenting plan has Father living with the children in Texas and Mother exercising 129 days of parenting time over extended school breaks and several long weekends.
Four years later, when the daughters were 12 and 10 years old, Mother petitioned to change the parenting plan because Father was not following it, the…

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