You can Google space trips debunked as well. Graphology is not a para-science phenomenon. It is no different than analyzing the way someone walks or the door they choose to enter with. A person’s personality plays a role in every aspect of his life. Graphology takes analytical thinking to draw a complete picture and some will be better than others.
Similarly, a person who interjects can be rude, condescending, Asperger’s, excited, energetic, in a rush, anxious, or deaf. You have to observe other behaviors of the person to gain a complete picture. Even them, it is possible to come to an incomplete, or even wrong, conclusion.