(1) the love, affection, and other emotional ties existing between the child and the parents, and the child's ties with the foster family;
(2) the capacity and disposition of the child's parents from whom the child was removed as compared with that of the foster family to give the child love, affection, and guidance and to continue the education of the child;
(3) the length of time the child has lived in a stable, satisfactory foster home and the desirability of his continuing to live in that environment;
(4) the permanence as a family unit of the foster family; and
(5) any other factor considered by the court to be relevant to a particular placement of a child.