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That is great news. My fiance also had some reservations about me carrying a firearm. She has warmed up to the idea and regularly asks me if I am going to take it for protection at work. She encourages me which is great. After our child is born she will be taking her CHL class so that she can protect herself as well. She is now more aware and we regularly talk about situations we hear about and about how people can be so oblivious to their surroundings. I hope it all works out for you Humanphibian.

I think you are missing the point here Humanphibian. Why would he want to confront you again when he knows he will lose again? It seems that you guys are in the same circle. Do you think he is aware you have a CHL? Will he be armed next time?
I think he will try to get you where you are most vulnerable. Your fiance. She should be carrying a firearm with her in her car and in and out of your house (CASTLE DOCTRINE). You seem like a very smart guy and I am sure you have already discussed an emergency plan should anything happen again. The next time there is a confrontation with this guy he will definitely not want to lose. God bless you and your family through this mess. This ordeal must really be weighing on you guys.