The angel explained that nothing was impossible with God (the birth had to happen, so she had to be living). So I wonder, did she know that she would not be accused of adultery and be stoned? Did she have courage that someone would believe her? When the angel left and she had traveled to her cousin Elizabeth's house she was filled with JOY and PRAISE. She was glad for this opportunity.
May we be humbled this Christmas season at the incredible humility and joy of Mary's response. The calling of God is a gift and we see a meaningful example of that in the story of Mary. Merry Christmas to all (and sorry for posting this so late).
Then Mary said, "I am the Lords servant. Let it be to me just as you have said."
Then the angel left her. (Luke 1:38 CEB)