Vincent loses his daughter

Vincent thought of a clever idea, "I bet, I'll win my wife back! Is that okay?"
"Of course it's OK."
The middle-aged man said, "But you don't have any stakes anymore. What do you want to bet with me?"
Vincent: "I, I..."
The middle-aged man said, "I can still give you one more chance. This time I'll bet on your eldest daughter."
"My eldest daughter, no, no, ..."
Vincent shook his head subconsciously. There was no need to think about what the consequences would be for a young...