No Longer Yours by Sara LaFontain

First comes love, then comes marriage, then comes finding out your husband is a lying cheater. Oops. That wasn’t part of the plan.
Humiliated by her husband’s affair, Cherry Waites flees the gossip and heartbreak to take a teaching job on remote Whispering Pines Island. But starting over again in her thirties is tougher than she imagined, especially in a small town where her only friend is a dog. Well, there’s the dog’s owner too, but he’s bit surly and treats her like she can’t take care of herself.
As winter settles in Cherry struggles to adapt to her post-divorce life. She still can’t shake the feeling that it was somehow her fault. Will she learn to stop blaming herself? And will she ever open up her eyes to the possibility that perhaps she is exactly where she is meant to be?