My puppies are pretty new to each other. I originally thought that the younger one would keep her distance from Charlie but... not really. How to I tell if the puppies are playing or fighting. Charlie is double her size so I really need to know. Sometimes I hear Mollie yelping because Charlie has her ear but I seems like it's play...play... then attack! Will be back tommorow at around 10. But for now I need to sleep.