Being separated from a loved one is hard. Being separated from a loved one for a long period of time is especially hard. But why is it that loved ones who serve in the military have to leave for so long? Why is it they have to miss important life events? Why I Must Go explains to children that their loved ones leave because they love them very much, and that they serve their country to protect and ensure their freedom. It is hard, but they are not forgotten. This book helps children understand that they are a service member’s motivation and encouragement for what they do. Book pictures and storyline are applicable to all services and inclusive of all ranks.