What are Losberne's remarks about Harry's sudden departure?

Textual Evidence:

'I hope I may have good cause to do so,' replied Mr. Losberne; 'though I confess I don't think I shall. But yesterday morning you had made up your mind, in a great hurry, to stay here, and to accompany your mother, like a dutiful son, to the sea-side. Before noon, you announce that you are going to do me the honour of accompanying me as far as I go, on your road to London. And at night, you urge me, with great mystery, to start before the ladies are stirring; the consequence of which is, that young Oliver here is pinned down to his breakfast when he ought to be ranging the meadows after botanical phenomena of all kinds. Too bad, isn't it, Oliver?'