How does lena react when beneatha breaks up with the wealthy george murchison?

She is supportive of Beneatha's decision.

In the play, A Raisin in the Sun, written by Lorraine Hansberry, Lena Younger is Mama, recently widowed. Beneatha is one of the children, a 20-year old college student. George Murchison is also a college student, but from a wealthy black family. When Beneatha sent George away and told Mama he was a fool, Mama (Lena) replied, " I guess you better not waste your time with no fools."