experiences the sorrow of betrayal and loss After Criseyde finally returns his love and they have a happy time together their love story takes a tragic turn Criseyde is sent away to the Greek camp as part of a prisoner exchange She promises to return to Troilus but falls in love with another man Diomede She does not return Troilus is heartbroken and feels betrayed by the woman he loves so much So Troilus laments at the end O lady myn Criseyde Wher is your feyth and wher is your biheste Wher is your love wher is your trouthe This deepens his sorrow because he not only loses her physically but also realizes that she has chosen someone else over him In conclusion these two sorrows first the longing and desire for unreturned love and second the pain of losing his beloved to another man create the double sorrow that Chaucer describes It shows how deeply Troilus suffers in love Chaucer's portrayal of Troilus's double sorrow emphasizes the complexity and pain of love It makes a pathetic and relatable story for readers