dariyabali Dogs. There's a reason we call them man's best friend. We can learn so many things from a dog's behavior, personality, demeanor, resiliency, and most importantly, the willingness to provide their family members with unconditional love, loyalty, and companionship down to their very last breath. If you're looking for a pooch to embody the image of “man's best friend”, look no further than the Saint Bernard. These days, the breed is famous thanks to the 1992 family flick Beethoven (and its litter of sequels). This implies that, unlike those of dogs, their genes haven't evolved to make cats dependent on humans for food. ... In fact, according to recent research on canine genomes, dogs became man's best friend back when humans were still hunting and gathering—between 11,000 and 16,000 years ago.