XII
Defendant requests your Honor to charge the jury that, although sanity is assured and presumed to be the normal and natural state of the human mind, when imbecility is once shown to exist in a person, it is presumed to exist and continue until the presumption is overcome by contrary or repelling evidence proving sanity.
XIII
Defendant requests your Honor to charge the jury that if defendant was deprived of his reason at the time the act charged against him was committed, and which resulted from a settled and well-established mental alienation, or from the pressure and overpowering weight of circumstances occurring before and at the time of the commission of said act, the said defendant is legally irresponsible for it and must be acquitted.
XIV
Defendant requests your Honor to charge the jury that if, at the time of the commission of the act, the defendant was under the influence of a diseased mind, and was really unconscious that he was committing a crime, this defendant must be acquitted.
XV
Defendant requests your Honor to charge the jury that the insanity of the defendant need not be proven beyond a reasonable doubt.