We don’t know, but it is quite likely that he did since the lies/tricks-exchange, containing this:
What I told you was a self-fulfilling prophecy; you believed that you couldn’t deceive yourself, so you didn’t try.
clearly can only have referred to Harry telling Draco that he doesn’t believe in Blood Purism anymore, and Draco must have figured that one out somehow.
We don’t know, but it is quite likely that he did since the lies/tricks-exchange, containing this:
clearly can only have referred to Harry telling Draco that he doesn’t believe in Blood Purism anymore, and Draco must have figured that one out somehow.