Search online about people who lived in nice neighborhoods and been invated and killed and raped. I'm sure there are plenty of stories. I carry everywhere and when my baby's mommy would say "Do you really need to carry your gun just to go to Wal-Mart?" I say, "Oh, I didn't know you scheduled my mugging and murder for tomorrow. I'll put it back." My sarcasm has eventually made her not even question me anymore.
You have to be the protector of your home, b/c in an emergency when seconds can determine life or death, police are only minutes away.
Or dump her. She may just be a sheep for life.