who is good friend ,, dog ,, human

There could be no better friend than a human being. However, dogs are good companions as they grow attached to their owner, or their dominant figure. It does not mean they necessarily like humans in particular, but it means that they will love their owner who dominates them. This is also true in the animal world where a dog must fight to become dominant over others to gain responsibility over the pack.

Anyone on whom you trust. No one who cheat you.