User blog comment:General MGD 109/Is there any magic?/@comment-5080035-20120506233049

My idea of the transformation is that it is not a transformation at all. In the Grimm species page it says that the Grimms can see the wesen when the are having trouble concentrating, like when they are mad or scared. I think the wesen's human form is just a mental projection, and when they become flustered, the projection becomes weaker and a Grimm is able to see them, but not a baseline human. I also think that if a wesen wanted a baseline to see them, they could abandon the disguise completely. This is just speculation, of course