Everything you need to understand or teach You Are Here by David Nicholls (writer).
In David Nicholls's novel You Are Here, Marnie Walsh and Michael Bradshaw are stuck in their insular, predictable lives. However, when their mutual friend Cleo Fraser invites them on a three-day hike, Marnie and Michael are forced into new settings and relationships. Walking the Coast to Coast trail together challenges Marnie and Michael physically, emotionally, and psychologically, and grants them unexpected revelations about love and intimacy. Written from the third person point of view, the novel explores themes including loneliness, personal growth, and the past.