If this guy works out, forewarn him that your mother is very liberal so he can avoid controversial issues. And ask your mother to do the same.

I find it difficult dealing with someone who holds the opposite opinions that I do as sooner or later the sexual attraction cools and you're stuck having to talk to each other about mundane day-to-day things. It's nice when you agree on most everything so you can support each other.

I respect your stance on guns because of your mental health issues, but if he wants to take you to the shooting range, go for it. It's a lot of fun.