Just like if a person is very sick and has high fever, he doesn't think about eating rich, opulent food, rather he thinks "Which medicine and precautions can cure me?" And then he follows whatever is necessary to make that medicine effective so that he can regain his strength. Similarly if a devotee remains humble, even though he may lose his taste or give up chanting Hare Krishna due to some weakness of heart, but if he is very careful and doesn't blaspheme any living entity for his misfortune, then in due course of time, he will achieve his position again.