You cannot even go from experience, I will admit you have probably seen a lot of terribly hyper chocolate labs, I have seen terribly hyper labs both black, chocolate, and yellow. Remember, labradors are the most popular dog in the US, and everyone and their brother can breed a litter of labs and sell them (with no regard to temperament, genetic soundness, nor conformation)&and that produces irresponsibility in breeding, so you will see more POORLY bred labs than any other breed, for ...