false+subtleties

"false subtleties"
===="Subtle" means to be unobvious, delicate, artful, or clever. In this line, the phrase "the world's false subtleties" is used. It refers to the things in the world that seem subtle but are actually not. These things are the bad or deceitful things that occur in our world. Speaker says that he allows his lover to believe that he is a young man who is so young and inexperienced that he does not even know of the evil things that exist in our world. ====