Describe the relationship between Mama and Walter in the play "A Raisin in the Sun"?

Younger and her son,Jr., have a unique, complex relationship throughout the play. Initially,
Lena dismisses Walter Jr.'s wish to use the insurance money to invest in a liquor business.
Lena's initial decision to not support Walter Jr.'s dream creates conflict in their
relationship, and Walter feels that his mother is overlooking him like the rest of society.
Walter becomes deeply depressed, refuses to go to work, and drinks all day long. After Lena
witnesses her son's reaction to her spending most of the insurance money to buy a home in
Clybourne Park, she sympathizes with her son and decides to give him the remainder of the money
to invest in his liquor business and pay for 's education. Mama displays her affection for her
son by telling Walter Jr.,

Listen to me, now. I say I been
wrong, son. That I been doing to you what the rest of the world been doing to you.

Walter Jr.'s attitude instantly improves after receiving the
insurance money, and the audience gets a glimpse...