I consider us enemies, but he has no idea why.

Declan Young—single dad, friend to all three of my brothers, and the man who can't walk into a room without getting under my skin. He's too confident, too charming, and from the day he moved back to our small town, the golden boy everyone adores.

Growing up, he was older, and I thought of him only as my rival. I still do . . . except now he's hotter, infuriatingly helpful, and living next door. Oh, and his daughter? Best friends with my son. Which means Declan is suddenly everywhere—in my kitchen, in my backyard, in my head when I'm trying to sleep.

When I invite them to live in my basement for the summer, I tell myself it's about helping out, but the extra income is an added bonus I desperately need to take my life back.

It's my house. My rules. But Declan has this way of looking at me like I'm the only thing in the room that matters. And the more I see him as a father, the more dangerous he becomes to my heart.

I thought I was in control.

Turns out, love doesn't play by any rules—especially mine.