"It is not the body alone which suffers from excesses committed in married life. Experience every day convinces me that much of the languor of mind, confusion of ideas, and inability to control the thoughts, of which some married men complain, arise from this cause."[18] [Footnote 18: Acton.] The debilitating effects of excessive sexual indulgence arise from two causes; viz., the loss of the seminal fluid, and the nervous excitement. With reference to the value of the spermatic fluid, Dr. Gardner remarks:-- "The sperm is the purest extract of the blood.... Nature, in creating it, has intended it not only to communicate life, but also to nourish the individual life. In fact, the re-absorption of the fecundating liquid impresses upon the entire economy new energy, and a virility which contributes to the prolongation of life." Testimony of a French Physician.--A French author of considerable note,[19] remarks on the same subject:-- "Nothing costs the economy so much as the production of semen and its forced ejaculation. It has been calculated that an ounce of semen was equivalent to forty ounces of blood.... Semen is the essence of the whole individual. Hence, Fernel has said, 'Totus homo semen est.' It is the balm of life.... That which gives life is intended for its preservation." [Footnote 19: Parise.] It may be questioned, perhaps, whether physiology will sustain to the fullest extent all the statements made in the last quotation; but perhaps physiology does not appreciate so fully as does pathology the worth of the most vital of all fluids, and the fearful results which follow its useless expenditure. Continence of Trainers.--"The moderns who are training are well aware that sexual indulgence wholly unfits them for great feats of strength, and the captain of a boat strictly forbids his crew anything of the sort just previous to a match. Some trainers have gone so far as to assure me that they can discover by a man's style of pulling whether he has committed such a breach of discipline over night, and have not scrupled to attribute the occasional loss of matches to this cause."[20] [Footnote 20: Acton.] A Cause of Throat Disease.--The disease known as "_clergyman's sore throat_" is believed by many eminent physicians to have its chief origin in excessive venery. It is well known that sexual abuse is a very potent cause of throat diseases. This view is supported by the following from the pen of the learned Dr. X. Bourgeois:-- "We ought not, then, to be surprised that the physiological act, requiring so great an expenditure of vitality, must be injurious in the highest degree, when it is reiterated abusively. To engender is to give a portion of one's life. Does not he who is prodigal of himself precipitate his own ruin? A peculiar character of the diseases which have their origin in venereal excesses and masturbation is chronicity."