Eliza Doolittle finally leaves Professor Henry Higgins; and she does so with a smile on her face and a mixture of bruised peace, equality, and resignation thrumming between them. ... Under Sher's direction, you do not wish for Eliza and Higgins to be together; you want her to get the hell away from him.
Answer:
Henry Higgins is offended by Eliza's judgment of his character. He claims that he is as indiscriminating as Colonel Pickering. When Eliza says the Colonel Pickering treats a flower girl like a duchess, he retorts by saying that he treats "a duchess as if she was a flower girl"
