Hello lcdmado! Welcome to DV and Intro class!

I have heard some accounts from other members that their DCs seem to become upset or deny that they are in a dream (or that you are in a dream). Personally, this doesn't happen in my dreams probably because I don't have that expectation. What your DCs will do will depend a lot on your expectations/schema. With a bit of practice you can learn to control these things and DCs reactions will change accordingly.

So, two things come to mind - if faced with DCs try not to think about them behaving this way. The other alternative which I would also try is to ignore them - ignore what they are saying or ignore their existence. If you stop paying attention they should disappear.