The days between Christmas and New Years felt like a giant blur. Paige and Sienna had gotten closer than ever. They had volunteered to cook Sunday dinner, and they made Paige's dad's favorite, prime rib. It had taken the girls half the day to get it right, hours of internet research, from picking out the perfectly marbled rib roast to peeling potatoes, and making a delicious mushroom risotto they couldn't stop sneaking little bites from while they cooked. There was no doubt they were a good team.

As the whole family sat at the dinner table and talked about their day Paige felt at home. She had never really been...