A pilgrimage for Nathaniel Nathaniel Asselin’s battle with body dysmorphic disorder ended when he took his life. His father walks on in his memory — and to raise awareness of the rare condition. ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page ASSELIN FAMILY PHOTO Denis Asselin lost his son to suicide. Now he hopes that retracing the path of Nathaniel’s fraught and too short life will raise awareness and hope. ASSELIN FAMILY PHOTO Nathaniel and his father in Delaware in summer 2000. Asselin family photo Nathaniel with sister Carrie on her graduation night. Asselin family photo Judy, Denis, Carrie, and Nathaniel Asselin in 2007. ASSELIN FAMILY PHOTO Nathaniel with his family in Montreal in 2002. ASSELIN FAMILY PHOTO Nathaniel in 2010, at 23. ASSELIN FAMILY PHOTO Nathaniel in fourth grade in 1996. ASSELIN FAMILY PHOTO Denis Asselin on the Camino de Santiago.