He's only 4 months old. That's what puppies do.
The nipping is normal, that's how they play with their litter mates. Say no, stop playing with him and don't encourage it.
The following? I think it's adorable! He wan't to be near you.
Jumping on guests? I don't remember any of my kids being able to jump at 4 months...
Whimpering and barking? - Play with him, show him some attention. That's all he wants. |