Under Texas law, a person has standing to file an original suit involving custody of a child if the person has had actual care, control and possession of a child for at least six months before the filing of the suit. There is a statutory presumption that a parent should be appointed as a custodial conservator, but there are fact situations that will rebut that presumption and allow a non-parent to be appointed. The best interests of the child will guide the judge's decision. You should...