You can defend yourself and a loved one with a pair of binoculars:
You can win a million dollar lottery:
The question is, "Would a reasonable and prudent person expect to or seriously consider defending oneself against a bear with a .45 auto pistol; especially if other alternatives are available?" (In my case in Alaska, I do see these bears every single year when they are out and about.)
Given that my personal closest non-hunting bear encounter in the bush ended at about 4 feet, I can assure you that my .45 Automatic Colt Pistols sit in my safe when I am out and about.
But, if you want to try the binocs or the lottery tickets...