A proper dog will attack an surprise intruder before you can even get out of the chair, without regard to its own safety, giving you enough time to get the 12 gauge.
So true SimTech - I was amazed at how quickly Bevo took to me and “defends” me.... the first time Bevo saw hubby come home from work and give me his usual kiss and hug and pat on the back my little warrior went nuts! He’s since learned hubby is not a threat and now patiently waits his “turn”.