The Arabs used to say,
When a stranger appears at your door,
feed him for three days
before asking who he is,
where he's come from,
where he's headed.
That way, he'll have strength enough
to answer.
or, by then you'll be such good friends
you don't care.

Naomi Shihab Nye, Prayers for a Thousand Years by Elizabeth Roberts, editor, Elias Amidon, editor