Part 1 of 2: We hear the beginning of Nathan's story as he introduces himself, discusses the beginning of his romantic relationship, and some of the signs as the relationship became unhealthy.  He talks about how it took a toll on him emotionally, physically, and occupationally.  Having strong, healthy relationships is an important human need.  Sometimes it can be hard to recognize signs that things are not as they should be, and it can be very difficult when it comes time to end an unsafe relationship.