"Why are you crying?" he asked his mom.
"Because I'm a mother," she told him.
"I don't understand," he said.
His mom just hugged him and said, "You never will!"
Later the little boy asked his father why Mother seemed to cry for no
reason.
"All mothers cry for no reason," was all his dad could say.

The little boy grew up and became a man, still wondering why
mothers cry.
So he finally put in a call to God, and when God got on the phone the
man said, "God, why do mothers cry so easily?"

God said, "You see son, when I made mothers they had to be special.