Nothing it's normal. There are a ton of threads on our little landsharks, I'd suggest using the search box and reading through a few, there's also a sticky on bite inhibitation that is super helpful!
With my first puppy, I used to sit on my bed and cry because I was sure it was all my fault, it's not.
Dogs are not our whole life, but they make our lives whole
- Roger Caras
Cuervo vom Kiebitzende