On Mystic Lake book by Kristin Hannah

Annie Colwater's only child has just left home for school abroad. On that same day, her husband of twenty years confesses that he's in love with a younger woman. Alone in the house that is no longer a home, Annie comes to the painful realization that for years she has been slowly disappearing. Lonely and afraid, she retreats to Mystic, the small Washington town where she grew up, hoping that there she can reclaim the woman she once was—the woman she is now desperate to become again.

In Mystic, she is reunited with her first love, Nick Delacroix, a recent widower unable to cope with his grieving, too-silent six-year-old daughter, Izzie. Together, the three of them begin to heal, and, at last, Annie learns that she can love without losing herself. But just when she has found a second chance at happiness, her life is turned upside down again, and Annie must make a choice no woman should have to make. . . .