N° 13 – What shall I do? What shall I do to show how much I love her? How many millions of sighs can suffice? That which wins others'hearts never can move. Lyrics for " What Shall I Do to Show How Much I Love Her" from Dioclesian () by The Deller Consort & Alfred Deller. What shall I do to show how much I love her - Duration: David Solomons 13, views · What shall.