Since I became an adult, I became more mature.
The sentence "We are also told that it is on account of this happening that people who have loved each other very much sometimes quarrel and are no longer friends." best indicates the story's message or theme.
Based on the life story of Langston Hughes, when he entered in the Columbia University he is expected to earn a degree in Journalism. He was not able to finish his study because after a year he found Harlem which he quickly became an intergral part of the art scene of it.