i got my dog last winter about a week after christmas. i started potty triaing him and a few later he started having sezuires. he has eplepsy but we couldent figure it out until about 3 months ago. ive beenre working on potty training him now since before when he was sick i felt too bad to try and really push him he was always sleeping and just felt yucky. now hes like a normal puppy and into everything. because i had to wait and and now trying to re train him to be potty trained and not to bite and such is it too late? or just alot harder. any good books or tips? im a little lost