why does Tom feel such personal contempt for Gatsby? What does Gatsby's owning a pink suit suggest to Tom about Gatsby? What does Tom's caring about it suggest to you about Tom?

Tom knows that Gatsby and Daisy are romantically attached. Even though Tom is a cereal adulterer, he cannot handle Daisy being interested in Gatsby. Tom also dislikes the way Gatsby has gotten filthy rich through bootlegging.