Zach is about 7-eight months old. He is a Pit mixture with either a Labrador or Border Collie. I got Zach from a local shelter when he was about ten weeks old and he's been so good. He's very active and loves playing. He is a little afraid of strangers and will shy away until he feels comfortable with them. I have recently acquired a position at work that has me busy 95% of the week and Zach ha...