How does Henry Higgins get 'some of his own back' in Acts IV and V? When he says,"How the devil do I know what's to become of you?", he caused Eliza to feel unwanted and abandoned. He used his rough tone of voice and unpleasant words to show Eliza that he did not care for her. His exasperated and irritated tone expressed that he wanted to wash his hands off the whole affair. The quotation,"I know you don't care. You don't care if I was dead. I am nothing to you -- not as much as them slippers." has shown that he had given Eliza the impression that he did not care. The next quotation,"Eliza hopeless and crushed