Which piece of dialogue in this excerpt from George Bernard Shaw's Pygmalion shows that Eliza has a quick temper?

In this excerpt, it shows on how she was tempered in one part that would read the following: "when Higgins told her something that she didn't want to hear, she looked at him with eager eyes". As reading this, we can tell that she was not happy what so ever in this case. Therefore, we can see that she would have a 'quick temper', and also, she never gave this man time to think about what he has actually did.