Karan Johar marked 10 years of Ae Dil Hai Mushkil by reflecting on its themes of unrequited love, longing and heartbreak. The filmmaker acknowledged the film’s flaws but said he would tell the story the same way again. Karan Johar Celebrates 10 Years of 'Ae Dil Hai Mushkil', Calls it a Personal Story of Love and Heartbreak - Filmmaker Karan Johar recently marked the 10th anniversary of his romantic drama ‘Ae Dil.