how can this be?

He has two brothers and sister,
but not one in the same house.
A first mom who's known
by her first name, a picture
to him who knows another,
a wholly unrelated person
as Mama; his daily bread
comes from her hand, from the body
of she who bore him not, but
gives her every day to holding
the baby boy, a little man child.
He knows no home outside of love
a mutual need that brought him here--
he who needed care, and
those who needed to care, and
those he left behind did care enough
to release him, to be loved--
a stranger thing was never known
among men.  He who suffers the way
of the unknown, yields his own
to those plans of God, whose sons
come not by flesh and blood
but by water and word, the vow:

"I love you; you are mine."