Rayven Michaels

Once a person begins communication with Spirit Guides, one does need to make certain it is a "Good Guide".  Always remember that a Guide should be there to "GUIDE" you, NOT bully your or manipulate you.  If the guide you are interacting with seems to be all about what's in it for them, or urges you to do negative and inappropriate things,then by all means you need to break the communication with that particular spirit, because it is NOT a Spirit Guide, but rather a low level spirit entity.  Basically it is a poser attempting to prey on your naivety and hoping that it won't get busted.

What sort of warning signals should you look for? 

If the guide does a lot of ego stroking, be wary.  Examples of this would be any of the traditional relationship manipulations: