After the defeat of Sauron, Aragorn would go on to live and reign for over a ... fall in love and have children. Aragorn and Arwen were the last, and probably most famous, instance of this ...
Not only does Beren and Lúthien's relationship parallel Aragorn's love for Arwen (Liv Tyler) in The Lord of the Rings, but it is also an important chapter of the story of the Silmarils.