Dogs have been loving people since they were born. This is the only animal species in the world.For this reason, although you are not close to the dogs, they have already adopted you. From the moment you feel that your new dog is your own, you have embraced your smell. Especially in places where he prefers to sleep on your products. Your smell comforts him.She sees the owner of the newly separated dog as her closest friend. If you help them control their behavior, there will be no reason not to be your loyal friend.Very good friends with people, dogs. Besides friendships, people use them for many purposes.The sense of smell has improved a lot. They can smell thousands of times better than human beings. Thanks to these abilities, they can find missing people.Police dogs can find dangerous items through special training they receive. Again, educated dogs may be best friends and assistants of disabled or blind people.Like the same people, dogs can learn and develop their skills. The most difficult of these trainings is K9. K9 dogs are hard to find and are very expensive.Dogs that have been living with people for thousands of years are probably the most useful thing to help and protect the shepherds.In cold climates, dogs help people pull sledges. Such cold climates can travel 150 km a day.