And as the Persians and then the Greeks and then the Ptolemies and then the Seleucids and then the Romans dominated the people of Judah and ruled Jerusalem as a part of their empire, they longed for God's promised King who would bring peace and prosperity and glory to their land once again. We're not Kings. Only a few days earlier, God's whole plan to love the world had hung on the response of a girl child to the announcement by the great angel. But she was just a child. Probably didn't understand what she was getting into.
Children know no limits.
Sure, why not. Mom says I have to wait for an hour after lunch. So Mary was merry about the news, but Joseph was an old man when the angel came to him. Joseph had been around the block. He knew what this meant.