1. Except as otherwise provided in subsection 2:
(a) A child may be adopted by one or more adults subject to the rules prescribed in this chapter;
(b) A person adopting a child must be at least 10 years older than the person adopted; and
(c) If the child is over the age of 14 years, the child must agree to the adoption.
2. A court may approve the adoption of a child without regard to the age difference of the child and the prospective adoptive parents if the court is satisfied that it is in the best interest of the child.