The main conflict in F. Scott Fitzgerald’s The Great Gatsby is between Jay Gatsby, who is in love with Daisy, and Tom Buchanan, who is married to Daisy. Gatsby wants to be with Daisy, but he cannot have her because she is married. He tries to get Daisy to leave Tom, but she will not.
Gatsby gets angry with Tom because he will not let him have Daisy. He also gets jealous of Tom because he has Daisy. Gatsby tries to ruin Tom’s life, but he fails.