We brought a new parakeet home on Saturday around dinner time. He was active and frisky in the pet store, has bright eyes and clean, shiny feathers. I had parakeets growing up, and I remember they certainly need time to adjust to their new homes. But it's been almost 3 days now, and I know he hasn't eaten anything (no mess in the cage) and doubt he has had any water. How long can they go without eating or drinking? He is very attentive when I talk gently to him. He looks at me and seems to like it. I'm sure he's not sick. But can they be so scared they'll starve themselves?