constitute reversible error if they impair the jury's calm and dispassionate consideration of the evidence and result in an unfair trial. Moore v. Taylor Concrete & Supply Co., Inc., 553 So. 2d 787 (Fla. 1st DCA 1989); Nelson v. Reliance Insurance Co., 368 So. 2d 361 (Fla. 4th DCA 1978). As such, preventing Edwards from d