Jethro realized that but he hadn't wanted to be away from his boy at that time. Not when Tony needed him and it wasn't like their children hadn't been taken care of. Nor was it like they wouldn't of been.

So he stays quiet giving a smile when he hears Tony's voice. It was a relief to hear. "Of course, my boy." Leaning over he takes the children and places one in each of his boy's arms.