Flirtation comprises all the sport of love, kisses, caresses and all kinds of sexual excitation even to orgasm, without reaching the consummation of coitus. All degrees may be noted; and, according to temperament, flirtation may be limited to slight excitation of the sexual appetite or may extend to violent and rapidly increasing emissions. The considerable individual differences which exist in sexual sensibility result in the same perception or the same act having little effect on one individual, while it excites another to a high degree. In the latter case, especially in man, flirtation may even lead to venereal orgasm without coitus, and even without any manipulations which resemble it. A woman of exuberant form, assuming sensual and voluptuous attitudes, may thus provoke an ejaculation by the slight and repeated friction of her dress against the penis of an excitable dancer. The same thing often occurs when a passionate couple caress and embrace each other without the genital organs being touched or even exposed. In this respect the woman is better protected than the man, but when she is very excitable an orgasm may be produced in her during the caresses of a passionate flirtation by the pressure or friction of her legs against each other (a variety of masturbation in woman). As a rule, however, things do not go so far as this in flirtation. The sight and touch are used alternately. The eyes play an important part, for they may express much and consequently act powerfully. A pressure of the hands, an apparently chance movement, touching the dress and the skin, etc., are the usual means of flirtation. In situations where people are close together or pressed against each other, as in railway carriages, or at table, the legs play a well-known part, by pressure of the knees and feet. This dumb conversation of the sexual appetite begins at first in a prudent and apparently innocent manner, so that the acting party does not risk being taxed with impropriety; but as soon as he who began the flirtation perceives that his slight invitations are welcome he grows bolder, a tacit mutual agreement is established, and the game continues without a single word betraying the reciprocal sensations. Many who practice flirtation, both men and women, avoid betraying themselves by words, and they take pleasure in this mutual excitation of their genital sensibility, however incomplete it may be. Flirtation may assume very different forms according to education and temperament. The action of alcohol on the brain develops the coarsest forms of flirtation. Every one knows the clumsy embraces of semi-intoxicated persons which can often be seen at night or on Sundays and holidays, in the street or in railway carriages, etc. I designate these by the term "alcoholic flirtation." Even in the best and most refined society flirtation loses its delicacy even under the effect of the slightest degree of alcoholic intoxication.