Anecdote Monday: From the Road

A husband really wants to have a baby-boy. His wife gives birth to a girl; they decide to try again. They have a second girl, then a third, then a fourth. Finally, after 8 girls, his wife gives birth to a boy.

"Is he mine?" - asks suspicious husband.
"He is yours." - reassures him the wife.
"Is he mine?" - keeps asking the husband.
"He is yours."
"Are you sure?"
"He is yours. But the girls aren't."