2 Kings 4:14-17

In order to have a clear conception of the great earnestness manifested among all the Israelites for children, it should be remembered that this was with an eye to the coming Messiah. That promised seed every Israelite was extremely anxious should spring from his family. Hence Gehazi concluded that a son would be so highly esteemed a blessing. And hence the Shunammite's expressions of joy were so lively.