http://zqktlwiuavvvqqt4ybvgvi7tyo4hjl5xgfuvpdf6otjiycgwqbym2qad.onion/wiki/Sipple8325
Reward your dog each time he "goes" in the correct place, whether or not it is after a major accident in the house. Praise him with pets and hugs, lots of "good boys", and a pleasure every once and quite a while. I do not think right now there is any simple reason.