Jesus answered her, "If you knew the gift of God, and who it is who says to you, 'Give me a drink,' you would have asked him, and he would have given you living water."
He's asking Jesus to go from Cana down to Capernaum, twenty miles, to heal his son. Of course, if you've got a son that's dying and you're the dad, you're going to be desperate. You're going to do your best if you feel that, "Here's a man that can help my dying son."