When the ruler of the feast tasted the water now become wine, and didn't know where it came from (but the servants who had drawn the water knew), the ruler of the feast called the bridegroom,

 2:23-25 When he was in Jerusalem, at the Passover, at the Feast, many believed in his name, as they saw the signs which he did; but Jesus himself would not entrust himself to them, because he knew them all, and because he had no need that anyone should testify to him what man is like, for he well knew what was in human nature. 