twelve o'clock
For already you have not only helped me -- you have made the whole matter possible . '' `` And what of that , '' propounded St. George gloomily , `` if I ca n't help you just when the danger begins ? I insist , Miss Holland , that it takes far more good nature to see some one else set off at adventure than it takes to go one 's self . Wo n't you let me come back here at twelve o'clock and go down with you to the boat ? '' `` By all means , '' Olivia assented , `` my aunt and I shall both be glad , Mr. St. George . Then you can wish us well . What is a submarine like , '' she wanted to know ; `` were you ever on one ? ''