Harry's Darkest Secret

Harry has a secret that no one knows about except his two best friends Ron and Hermione: he is in love with his former professor, Remus Lupin. Harry goes to stay with the Weasleys over Christmas break and so does Lupin, but so does someone else who Harry thinks Lupin likes. Jealousy follows and will Harry be able to keep his secret? Harry/Lupin SLASH.