Mothers who really love their kids get involved in their lives. (Jewish mothers are stereotypically portrayed as way overdoing that.)
She was told that He would cause her heart to be pierced.
“Mary treasured up all these things and pondered them in her heart.’ Lu 2:19
To Joseph the angel said, and I’m sure he spoke with Mary about it: Matthew 1: “21 She will give birth to a son, and you are to give him the name Jesus, because he will save his people from their sins.” 22 All this took place to fulfill what the Lord had said through the prophet: 23 “The virgin will be with child and will give birth to a son, and they will call him Immanuel”—which means, “God with us.””
A passage in Isaiah about a virgin.
Saving people from their sins.
Bethlehem.
A king trying to kill them.
Wise men giving them gold, frankincense and myrrh.
How likely that she hadn’t been searching the scriptures FAR longer than the apostles had even imagined.
John 20: 24 “Let’s not tear it,” they said to one another. “Let’s decide by lot who will get it.” This happened that the scripture might be fulfilled which said, “They divided my garments among them and cast lots for my clothing.” So this is what the soldiers did. 25 Near the cross of Jesus stood his mother, his mother’s sister, Mary the wife of Clopas, and Mary Magdalene. 26 When Jesus saw his mother there, and the disciple whom he loved standing nearby, he said to his mother, “Dear woman, here is your son,” 27 and to the disciple, “Here is your mother.” From that time on, this disciple took her into his home.