When Kay was about 2 years old, we made her this photo album. We called it her "Love You" book, because "it's all people who love you," we told her. She loved to look at it then, and she just rediscovered it again. It's nothing fancy - a simple photo album we had around the house, and then pictures of family and friends. It helps her see how many people care about her, while also making her more familiar with the more-distant people she might not see as often.