If she gave him a $100 tip, he still would have been just as bitter.
He wanted half ownership of that nice house. Poor people I have run into resent that I am not poor. Because they are ignorant how hard I worked to get 2 degrees in engineering, supporting my expenses with part time job washing dirty kitchen utensils in university hospital. Then I worked on 2 job for 15 years putting in 65 hours of work every week.
Of course poor people do not give a rats azz about that. They simply resent that someone has more money than them, and want government to make us all equal by taxing me more and giving them free money.