I have the perfect son

Ali: I have the perfect son
Basit: Does he smoke?
Ali: No, he doesn’t.
Basit: Does he drink whiskey?
Ali: No, he doesn’t.
Basit: Does he ever come home late?
Ali: No, he doesn’t.
Basit: I guess you really do have the perfect son. How old is he?
Ali: He will be six months old next Wednesday