A Place to Stand by Meg Farrell

Rhae Peters is happily married to her best friend, Ryan, who loves her more than anything. She has the perfect life until the worst thing imaginable happens — Ryan is killed. Rhae is faced with learning to live without him and coping with the devastating revelations that follow his death and make her question what she thought they had together. With her life in turmoil, Rhae wants to start over and forget everything about Ryan.
Cade Miles is Rhae’s mysterious, handsome neighbor who recently arrived in Bell Hills to help care for his ailing grandfather. Despite her increasingly intense feelings for Cade, Rhae feels the hand of propriety holding her back from pursuing her attraction to Cade.
Both broken in their own ways, Rhae and Cade must learn to help each other overcome their pasts.