It sounds like there is some tension because this is a hot button issue. You ask and he overreacts. Before you discuss this any further use "I" statements to describe your point. "It really bothers me when you can't talk about something." You may also have to wait until he is not so explosive about something. Otherwise he perceives as your pursuing an argument. Also pick up my favorite resource for communicating and the rules of fair fighting . It is wonderful. Learn through these rules to not name call or blame. Hope you love it.
If this was helpful press accept