A dog being shy revolves around trust which could come from it's past or negative associations. This behavior takes some time for your dog to recover from.

Takeaways:

1. Lowering their head as you reach to pet them

2. Head turns away when you approach them

3. Dog will back up with head pulled back when you approach

Courtesy 93.9 WLVB

Helpful Links:

Ian's Online Training Community

Ian's Ohio Workshop