He has multiple affairs with other women.
Daisy remained polite and friendly towards Tom after the honeymoon, but she became more distant and disillusioned with him, realizing his true nature and the extent of his infidelities. She also began to assert her own desires and opinions more openly, ultimately leading her to make decisions about her future independently of Tom.
When he went to her home in Louisville and she was not there because she was on her honeymoon with Tom.
Nick Knows Daisy and Tom because Nick is Daisy cousin while Tom is her Husband
Nick observes a tense conversation between Tom and Daisy in the kitchen, where Tom is openly flirting with another woman in front of Daisy. Daisy seems uncomfortable and unhappy, but doesn't confront Tom about his behavior. This scene highlights the strained relationship between Tom and Daisy, and hints at Tom's disrespect for Daisy.
Tom's having an affair and Daisy knows it, while Daisy is seeing Gatsby.
One detail is Gatsby's insistence on showing Daisy the exact house he bought in Louisville, as he believes this will impress her. Another detail is how Gatsby tries to recreate the past by showing Daisy his possessions and displaying his wealth. These actions reveal that Gatsby has romanticized Daisy, connecting her to his idealized version of the American Dream.
After Gatsby's death, Tom and Daisy leave town to avoid any connections to the tragedy. They continue their privileged lifestyle, seemingly unaffected by the events surrounding Gatsby. Daisy stays married to Tom despite her past with Gatsby, while Tom continues his careless and entitled ways.
Nick knows Tom and Daisy in the Great Gatsby because Nick is Daisy's cousin.
Because Mrytle was drunk, and was mad because Tom loves Daisy more. Mrytle is jealous of Daisy.
According to Catherine Tom has not left Daisy for Myrtle because Daisy she says that Daisy is a catholic who doesn't believe in divorce. However, Nick knows that his cousin Daisy is not a catholic.
Daisy married Tom Buchanan because he came from a wealthy and established family with societal status, which was important to her. Additionally, Tom provided her with stability and security, which Gatsby couldn't offer at the time due to his lower social standing and uncertain future after the war. Daisy's choice reflects the societal norms and expectations of the time period in which the novel is set.
The narrator, Nick Carraway, is Daisy's cousin.