What do you think of Higgins' relationship with his mother, as it is developed in this third act? And how does she view her son's scientific experiment with Eliza?

Higgins' relationship with his mother is open and cordial, albeit, she also seems to find his actions and social skills embarrassing. Mrs. Higgins does not approve of her son's experiment and sees it as dangerous to Eliza. She wonders what will happen to Eliza when it's all over.