3 week old puppy thrown into cardboard box shivering in cold wind desperately crying for mother

On his way home from get off work, the man happened upon a puppy, a poor dog about 3 weeks old, lying in a cardboard box on the side of the road. His body was shaking from cold and hunger. The puppy lowered his head desperately and cried loudly, trying to call his mother. The puppy's face looked tired, with tears rolling down his cheeks. When the man saw this, he quickly took the puppy home. He quickly prepared warm water to bathe the puppy and mixed it with milk...