Marriage needs similarity. Ashley is a real gentleman, and Melanie is a great lady. That's why they could come together. For Scarlett and Rhett, they're quite similar, too. They all search things doesn't belong to them. When Scarlett has the opportunity to Ashley, she realizes she doesn't love him at all. And Rhett, he always tolerates Scarlett's soul infidelity. But when Scarlett shows her true love for Rhett, he doesn't stay. Maybe he also finds that Scarlett's love doesn't mean so much as he thought. At last, Scarlett loses everything. Even though she still says, "Tomorrow is another day". Scarlett and Rhett, perhaps they don't belong to the ordinarily love. They belong to the big world and the cause of land.