They sent letters to each other a couple of times. Many would agree that there is a classic story of the homosexual tensions bubbling just beneath the surface between Hemingway and Fitzgerald, so maybe there you could find room for jealousy. Both of them had strong perceptions of what it meant to be gay, and they stated how to interact with their gay friends. Perhaps if they had worked together, they could have done more for this, let us call it "project".
I agree because everyone struggles everyday. i doubt anyone wakes up everyday completely stress-free. we are all human in this sense, it is the human condition. when people are given the chance to make decisions with hardly any repercussions, they will not always do what is expected of them. it morally destroys empathy and modesty.
I do not specialize in this subject but if u go to tutor and search the subject you can talk them