No. Labs are not one-person dogs. Labs are family dogs. One-person dogs are devoted and attached to one person as a result of a special bond that creates between them and their humans.
Yes. All Labradors are smart and can be easily trained. Labradors in general are considered smart dogs, ranking in at seventh place for the brightest dog breed in the world. The black Labrador has a long history as a hunting companion, with many generations selectively bred for their working genes. So they possess an instinct and intelligence that is desired by hunters.
Are Labs good as guard dogs?
No. Labs are not good guard dogs. Your average lab is not going to make a good guard dog. However, Labs can make good watchdogs if trained correctly. Labs are also commonly trained as guide dogs.
When do Labs calm down? At what age?
With the right handling techniques, most young Labradors begin to calm down around their first birthday. And are fairly settled in temperament by the time they are eighteen months old. Also, most settle down after mating.
Labradors have a tendency to grow fat. Check if your Lab is fat.