Any time you seriously label another as "insane" or "crazy", you are merely confessing your own inability to communicate.
Mental discomfort and mental pain are only felt by the mind; not the brain. All one has to do to get away from mental discomfort and mental pain, at such moments as they are present, is to step sideways at that particular moment, from the mind back into the brain. One can always step back into the mind, whenever one wishes.
Emotion knows no future, remembers no past.