I read somewhere it can happen if the dog is overly attatched to one person in a family, or if there is one person only living with the dog. Luckily it hasn't happened with Jake he's loyal to me until someone shouts walkies then he's anyones
know that pupa the newffie wont go for a walk with my brother she likes him but wont go for a walk with him and Jack (my shadow and my pal ) wont go for a walk with noone but me nice but not practical