Juno's 13.5wks. I've been trying to take him on walks...he did horribly on a leash/collar. He'll keep his head on the ground at all times and eats random crap as he's sniffing. In this process, there's no way that i've found to stop him. I've tried leave it w/ treats and pulling on collar but that's not good for him. Soo i switched to gentle leader...he def. did better on his walks but then he starts to bark/growl anytime he sees his red gentle leader even if it means a walk. Once it's on,…