Members are just trying to give you advice.Its only me and my animals. If others come over keeping her separate is not an issue.
As for shooting her in the face piss off why don't you shoot your kid in the face for being bad. I would hate for my last memories of a friend for 3 years to be her bloody brains splashed across my yard. If you do this kind of thing all I can hope is you make a bad shot and have to deal with a squirming screaming friend.
So she has received a pardon.
I have owned dogs all my life and rotties for 20ish years of them. She is getting old is having issues but is no where near deaths bed or as far as I can tell in pain. She does struggle some to get up but hell my knees are not much better lol. And when shes up she is fine chases toys around. I defiantly have to keep an eye on the mental side of things.
Defiantly has the old dog face and gray hairs.
This is the bite before I had a chance to clean it up. The area raised up about 1/4" from swelling I assume from the "pinch" and bruised some.
As you can see from the photo it was not a full on open mouth arm chomp. the oval shape is not from a k9 fang and not deep.
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Don't want to put her down? Then don't. As long as you and the other dog are the only ones she could hurt then do as you wish.
I hope the next time she randomly bites you it isn't too bad again.
Ask for advice then get ass hurt when people give it.