Hello..your chi is sooo cute! I absolutely love the breed but its hard to think about another one when I miss my lil girl still. I am not really sure what happened. She got her shots at 6 weeks from an extremely unfriendly vet, who i think may have given her too big of a dose for her size...1 lb. Before her shots, she was eating soft puppy food, playing, and energetic. Then it went downhill. Took her to a couple different vets who did what they could but she got worse so I took her to stay at the Animal emergency center overnight and things looked alright when i picked her up on my birthday. then she just didnt wake up from her nap. after her shots, she wouldnt eat and her blood sugar level went to 25 which is EXTREMELY BAD, dogs can go into comas when it is below 90. Anyway, I know she is looking over me and is happy that I saved lil Chico from being put to sleep. BE sure to post lots of pics of Chica...SHE IS BEAUTIFUL!!! PIcs of Chico and Omar coming soon...............