Because Tom had an affair and going to France was an attempt to forget, get away, and save their marriage.
Daisy and Tom spent a year in France to escape from the fallout of the controversial trial surrounding Daisy's involvement in Myrtle Wilson's death. They wanted to distance themselves from the scandal and start fresh in an environment where they wouldn't be constantly reminded of the events back home.
Nick knows Daisy and Tom Buchanan in "The Great Gatsby" because Daisy is Nick's cousin. He meets Tom through Daisy, as 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.
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 Daisy from her and his cousin's childhood. They are cousins. Nick first becomes acquainted with Tom when he is invited to their home for dinner. Tom is Daisy's husband.
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.
Tom slaps Myrtle across the face, breaking her nose, when she keeps repeating Daisy's name and taunting him about his wife.
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.
The narrator, Nick Carraway, knows Tom Buchanan because they were at Yale together, and he knows Daisy Buchanan because she is Tom's wife and they are cousins.
Catherine claimed that Tom and Daisy couldn't get a divorce because Daisy was Catholic and didn't believe in it. This was her attempt to cover up the deception in their relationship and maintain appearances.
Gatsby believes that Daisy is trapped in an unhappy marriage with Tom and that she only truly loves him (Gatsby). He sees Tom as a careless and insensitive husband who takes Daisy for granted. Gatsby is convinced that Daisy will leave Tom for him once she realizes that their love is true and profound.
Daisy and Tom's relationship was tumultuous and marked by infidelity, manipulation, and a lack of mutual respect. Tom was controlling and cheated on Daisy multiple times, while Daisy, despite her unhappiness, was unable or unwilling to leave him due to societal expectations and her own insecurities. Their relationship was ultimately dysfunctional and toxic.