My husband and I just adopted 2 puppies from an Animal rescue, one puppy is very active and playful, eats and drinks well. The other puppy has not eaten in 2 days, drinks some water, and sleeps all the time, even when we take him out to potty. I took them to the vet today and the vet said to put warm water in his dry food and he should eat. I have tried this and he will not eat from my hand or the bowl. The Vet also said to give him lemon lime gatorade and he will not drink that either. Any suggestions on how to get him to eat something? The vet is closed for the day and it is worrying me that I can't get him to eat anything! (the puppies are appx 5-7 weeks old, not sure how long they have been away from the mother, they were abandoned at an animal rescue)