Valor by Nicole Blanchard

Former MARSOC operator Benjamin Hart thought he knew everything there was to know about love. Losing it, winning it back. Now, he’ll have to learn what it will take to keep it.
Years after the conclusion of their story, Ben and Olivia are happily married with two children and are living the American Dream. The only problem is stealing moments from their busy lives for themselves.
Determined to get his wife alone, Ben whisks Livvie away to a romantic night—just the two of them and both are faced with learning what it means to live happily ever after.