Any tiny, young puppy can become hypoglycemic so if he begins to act very sleepy or lethargic when he's up and about, stumbles, seems weak, shaky or dizzy, acts disoriented, confused or just goes down suddenly where he is and stays there, rub honey or karo syrup or Nutrical or sugar on his gums and get him to the vet ASAP - he could be going into hypoglycemic shock. Regular meals a few hours apart as those above have recommended can help prevent this from happening but not always. It's an emergency when it happens so be prepared to get him quickly in to the vet if this happens.
It's a shame you wound up with a dog too young to be away from its mommie. It goes against nature. Humans are a poor substitute at our very best. If it were me, I would share this breeder's website so all can know never to do business with her.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |