stubborn puppy

We have a new two month old Rottweiler with showing some strange behavior when walking on the leash. When we walk him going away from the house he plants his feet, lays downs, pulls, etc...basically not wanting to walk one foot. However, walking back towards the house he walks fine and lots of...

Okay, reaching out for some help. My CO is 8 months old now, and he is usually very good now at potty training. He does not "tell" me when he has to potty, but he just isn't a vocal dog unless he's on alert for a perceived threat. He doesn't stand by the door, or even sniff around for a good...