v. Shipman, that a verdict for the plaintiff may be set aside only if considering all the evidence "in a light and with all reasonable inferences most favorable to the [plaintiff]," the judge "believes that reasonable men could not arrive at a . . . verdict" for the plaintiff. Conversely, the verdict for plaintiff may not be set aside "if there is substantial evidence [for the plaintiff], that is, evidence of such quality and weight that reasonable and fair-minded men in the exercise of impartial judgment might reach" a verdict for the plaintiff. The opinion goes on to admonish that "it is the function of the jury as the traditional finder of the facts, and not the Court, to weigh conflicting evidence and inferences, and determine the credibility of witnesses.