I have never had a problem with chewing knock on wood but mine have a seperation anxiety problem they freak out when I leave bite me untie my shoes and bark alot I usually have to sneak out of the house and cannot say we are going we have to spell as they have learned to many words and now my 1 female can figure out a few words we spell ,. we are going to have to start using sign language which I am thinking she will catch on too , they only do this when I leave ,spoiled dogs my husband says |