We all long to be part of a group, have a friend with whom we can laugh, but also vent or cry - who helps us out and we can support. And so do kids. Though not really forming friendships yet, even babies are drawn to others, - and starting at age 3 toddlers will play together. They will form bounds, but also have to navigate conflict and sometimes exclusion. As they grow older, they learn to share toys, then interests, feeling and secrets. There are a ton of kids' books on