You will have to go into more detail about what you've been doing with him to get a good suggestion.
Somehow you're over training the dog would be my guess, so give a honest account of your routines with the dog and I'll try to help.
Dogs don't just lose interest normally unless hes ill.
Somehow you're over training the dog would be my guess, so give a honest account of your routines with the dog and I'll try to help.
Dogs don't just lose interest normally unless hes ill.