To defend yourself with a gun. There are three items that must occur. Not sure I have them all but one is that the person must have the ability to do extensive harm to you or kill you. This did not exist nor did he think it existed.
1) threat (yes)
2) weapon (no only her body)
3) ability (no, not a 250 lb black belt)
I say he overreacted and put himself in an unenviable position. Glad he is not a PSU player
What an emmerthead