Foremost in the second grouping are those perverted ones who have placed as the end of their sexual desire performances normally introductory or preparatory to it. They satisfy their desire by their eyes and hands. They watch or attempt to watch the other individual in his most intimate doings, or uncover those portions of their own bodies which they should conceal in the vague expectation of being rewarded by a similar procedure on the other person's part. Here also belong the enigmatic sadists, whose affectionate strivings know no other goal than to cause their object pain and agony, varying all the way from humiliating suggestions to the harshest physical ill-treatment. As if to balance the scale, we have on the other hand the masochists, whose sole satisfaction consists in suffering every variety of humiliation and torture, symbolic and real, at the hands of the beloved one. There are still others who combine and confuse a number of these abnormal conditions. Moreover, in both these groups there are those who seek sexual satisfaction in reality, and others who are content merely to imagine such gratification, who need no actual object at all, but can supplant it by their own fantastic creations. There can be not the least doubt that the sexual activities of these individuals are actually found in the absurdities, caprices and horrors that we have examined. Not only do they themselves conceive them as adequate substitutes, but we must recognize that they take the same place in their lives that normal sex gratification occupies in ours, and for which they bring the same sacrifices, often incommensurate with their ends. It is perfectly possible to trace along broad lines as well as in detail in what way these abnormalities follow the normal procedure and how they diverge from it. You will also find the characteristic of indecency which belongs to the sexual act in these vagaries, only that it is therein magnified to the disreputable.