Why is it so important to Gatsby that Daisy enjoy his parties?

Jay Gastby throws lavish parties in an attempt to win back Daisy Buchanan, the love of his life, whom he had lost to Tom Buchanan five years earlier. Daisy is married to Tom and lives in a wealthy family in East Egg, while Gatsby lives in a mansion across the bay in West Egg. Gatsby hopes that by inviting Daisy to his parties and impressing her with his wealth and status, he can rekindle their romance.

He wants her to see how successful he has become and how worthy he is of her. His dream is to somehow recapture the past and relive the moments they had together before she married Tom. By throwing these extravagant parties, Gatsby believes that he can create the perfect atmosphere and setting for them to reconnect and fall in love all over again.

Overall, Gatsby's desire for Daisy to enjoy his parties stems from his deep-rooted love for her and his desperate attempt to regain the lost connection they once had.