Being in love with your dad's best friend is a recipe for loneliness. Trust me, I know. But I can't help it. How can I not fall for someone as sweet and caring and attractive as John? Especially after he comes and fixes a leaking pipe in my basement. No questions asked. Just shows up, flashes his knee-weakening smile, and leaves. Afterward, I notice John watching me with heat in his eyes sometimes. John, who's only ever dated...