I don't see why it would be dissociative? To them tragedies had Serious Moral Messages and Asked Big Questions and showing violence on stage would only distract the audience from that. The Romans by contrast looooved violence on stage, which reflects their culture.

And now I am going to stop lecturing.

(To answer the original question, I don't know what's going on with you, but it sounds healthy to me if you're creating your own safe space.)