Why does grandma wolf prefer Molly than the boys private peaceful?

In "Private Peaceful" by Michael Morpurgo, Grandma Wolf prefers Molly over the boys because she recognizes Molly's nurturing and caring nature. Unlike the boys, who are often preoccupied with their own adventures and challenges, Molly embodies a sense of warmth and stability that Grandma values. Additionally, her relationship with the boys is marked by a protective instinct, leading Grandma to appreciate Molly's influence and presence in their lives. This preference highlights the theme of familial bonds and the importance of compassion in difficult times.