Article continues below advertisementLena Dunham reflected on the emotional conclusion to her five-year relationship with Jack Antonoff.During the Wednesday, April 15, episode of TODAY With Jenna & Sheinelle, the Girls alum, 39, recalled how difficult it was losing her "first love" amid fertility issues.Dunham and Antonoff dated between 2012 and 2018. In 2017, the actress underwent a hysterectomy to treat pain from her endometriosis, which removed her ability to bear children.