What did nicks alienation's reveal about gatsby

It revealed that Gatsby wanted companionship.

Explanation:

Jay Gatsby was a very over the top person. He hosted very elaborate partied and lived a eccentric lifestyle in hopes of attracting the attention of one person. Nick was the one person that he be friended the whole time that he lived there. He grew to be very fond of Nick. When Nick withdrew himself from Jay, he became alone which is something that he could not deal with.