A risk worth taking / Robin Pilcher.

Enhanced descriptions from Syndetics:

After the dot-com bubble burst, Dan Porter is laid off from his job and must decide what is truly important. His wife of twenty years, Jackie, a beautiful and successful managing director at a clothing designer shop, no longer connects with him. His teenagers, Josh, Nina, and Millie, are distant and confusing. Jackie is tempted by the attentions of a younger man at her office, and thanks to an opportunity suggested by a magazine article, Dan finds himself contemplating a drastic change in his life. A Risk Worth Taking is an insightful, thought-provoking novel of a man who has to discover what he really values in his work, marriage, and life. Robin Pilcher writes fluidly and well, and he is unerringly adept at capturing the details of his characters' lives. He has written a poignant and engrossing story about the real choices many adults face when they start taking stock of their lives.