o appear). Once a good faith claim of privilege is made, the burden shifts to the adverse party to show that the communication was not privileged. Leithauser v. Harrison, 168 So. 2d 95 (Fla. 2d DCA 1964); see also Nationwide Mut. Fire Ins. Co. v. Harmon, 580 So. 2d 192, 192-93 (Fla. 4th DCA 1991) ("[N]othing in the