what the hell are you worried about?when the lamp is roasting the arses off of the rabbits he wont need to be the fastest dog in the country,enjoy him for what he is.he'll bloody amaze you in time.he is after all only 9 months,thats still a very young inexperienced animal,his brain will make up for any lackings he might have in the future as from what youve written theres no shortage of grey matter since hes able to learn to retrieve,jump etc.you got a good one so far,i hope you appreciate it DR,best of luck to you and your dog.