Create the cover of a book where a young couple ends their relationship

Create the cover of a book where a young couple ends their relationship, the silhouette of a woman and a man, the two young people are sad, the cover is dark green, The book talks about a letter that the girl writes every day while she waits for your boyfriend to come back. There are no letters on the cover. Representing a loving separation. The two young people love each other, but they cannot be together.