I'm in Love and It's the End of the World

After the wedding, the groom and his bride-to-be leave for the honeymoon, and the groom tells the bride how happy he is to see her happy. He tells her that he hopes they will someday have a child together. The groom gives the bride a letter from his father, telling her how much he loves her and how lonely she is. The bride thanks the groom for making her feel so comfortable and free.