[concretegurl]

Sounds medical since he's so young.

Doesn't mean behavioral shouldn't be ruled out, but I'd be more concerned about health, diet, even neurology before I just said he's sad.

While most pups play hard, they do sleep a lot.

A bit too young to have left mama...

Personally I'd pick a mellow snuggly puppy over that wild crazy in your face play play one.

Might just be a highly intellegent little one aklmating itself to the new environment.

Elvis is super mellow, perhaps he was as a pup, or iys cause affect of his previous environment.

Try a laser light and give it some time.