Welcome to a Doberman pup....Oh my god THE BITING!!!!!!!
How do I stop him biting everything and everyone?!
Sent from my iPhone using Tapatalk
Seriously, though, you have a working breed puppy. This in normal. Take a read through this sticky. https://www.dobermantalk.com/puppy-corner/295202-help-my-puppy-biting-me.html