The woman said to him, "I know that Messiah comes," (he who is called Christ). "When he has come, he will declare to us all things."
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."