There are a lot of reasons why guys break up. In most of the cases, it is him and his u[HOST]edictable motives. Let me take you through it one by one. When it comes to most of the men, they are always seeking opportunities. The moment a new or better opportunity comes their way, they leave everything to pursue it.
Having several of my own I would expect him to have some.
Yes, I would prefer it, or I would prefer a girl who is at least comfortable with firearms.
I own 8 guns myself, and I have met girls who weren't okay with it. Of course I would.