Col is a good boy with people,he doesn't like other dogs while outside on walks he gets very nervous/bad and will try and get the other dog,he barks and tries to pull you across the road ,he understands commands and will sit when told. When introduce to a dog regularly he's gets used to them and will play with them. He regularly plays with my sons dog - a Border Collie,a Boxer and a another Border collie. He's very loving and enjoys sitting next to you on the settee and always likes to try and kiss you.