The divorced couple’s child moved out of the mother’s home when he was 18, established his own residence, and began paying for all of his own expenses. Thereafter, the father’s petition to terminate his support obligations was granted.
In September 2013, the child returned to the mother’s home. The mother sought to reinstate and modify

At age 18, the child becomes an adult, legally beyond the reach of parental decisions. However, not until age 21 does the legal obligation to support that child come to an end (unless extended by agreement).