In the Interest of J.D.D.

OPINION

Opinion by

Chief Justice THOMAS.

John Deltuva (Father) challenges the trial court’s denial of his petition to modify the parent-child relationship requesting a reduction in the amount of Father’s child support obligation. We affirm the trial court’s order.

Procedural Background

On February 18, 2002, the trial court signed the final divorce decree for Barbara Deltuva and Father, ordering Father to *918pay $1,800 per month in child support for the parties’ three children. The amount of Father’s child support obligation was based on the jury’s finding Father was capable of earning $125,000 per…