Trentham, Laura. Heart of a hero #1

Series information from Goodreads.com

Kitty Hawk, North Carolina. Harper Lee Wilcox and her son Ben have been marking time since the death of her husband, Noah, nearly five years earlier. Her best friend, Allison Teague, mother of three, is dealing with the physical and emotional injuries of her husband, a former SEAL that served with Noah. To network of other military wives, Harper wants to start a string of coffee houses close to military bases around the country. She crosses paths with Bennett Caldwell, Noah's best friend and SEAL brother. Can Harper let go of her grief and build a future, even as the man they both loved haunts their pasts? -- adapted from Goodreads.com info