Puzzclar, I don't think you have to tell him that you are dissociating or not dissociatong. If something weird is happening to you and you don't understand it just explain to him what you're feeling whatever that is. Maybe you're spacing out or maybe you feel like you're hovering over your body or maybe you feel like you're going a million miles into your head but then your head is somewhere out the window. Just describe your feelings and let him interpret what is happening so he can help you. It is not your job to diagnose yourself or to know exactly what's happening to you but it is your job to just describe to him your feelings, emotions or physical sensations. I hope that helps a little.