Ebbing Tides (Lighthouse Duology #2)
Kelsey Kingsley

But I had made a vow to my wife to live … whether she was here or not.
For ten years, I got by on a steady routine, and I would’ve been content to live the rest of my days just like that. But then, my father—the source of my childhood trauma—needed me as his caregiver.
And I jumped at the chance to finally receive the love I’d craved in my youth.
And when a mystery woman from the past stumbled back into my life, along with her three little boys … I jumped at the opportunity to convince her I was worth taking a chance on, too.
If only I could be so lucky …