You shouldn't interfere in a friend's relationship unless they ask.
Toni is having dinner with her friend and her friend's husband.
Toni wants to help her friend with her relationship.
Toni asks the husband what he was into these days, so that her friend would know what kind of presents he would like.
Toni asks the husband if he has been faithful to her friend.
The husband tells Toni that he would like to take up golf and the wife decides to buy him some golf clubs.
The husband thinks his wife put Toni up to this and doesn't trust him and the couple begins to argue.