He won't desert.

He knows that would be a disgrace to a pirate, and Tom's too proud for that sort of thing.

He's up to something or other.

Now I wonder what ?" "Well, the things is ours, anyway, ain't they ?" "Pretty near, but not yet, Huck.

The writing says they are if he ain't back here to breakfast." "Which he is!" exclaimed Tom, with fine dramatic effect, stepping grandly into camp.
A sumptuous breakfast of bacon and fish was shortly provided, and as the boys set to work upon it, Tom recounted (and adorned) his adventures.