My Year of Casual Acquaintances by Ruth F. Stevens

When Mar Meyer’s husband divorces her for another woman, she reacts by abandoning everything in her past: her home, her friends, even her name. Though it’s not easy to start over, Mar is young-looking, fit, and ready for new adventures—as long as she can keep things casual.
With each passing month, Mar goes from one acquaintance to the next. Among them: a fellow gym member down on her luck, a flirty hip-hop instructor, a bossy but comical consultant, a kindly older gentleman… and Charlie, a handsome best-selling novelist who wants more from Mar than she’s able to give. She learns something new from each encounter. But can she change enough to open herself up to happiness and true connection?

Surrounded by an ensemble of quirky, endearing characters, Mar follows a tortuous and unpredictable path as she navigates the first year of her reinvented life.