pears that allowing the amendment would prejudice the opposing party, the privilege to amend has been abused, or amendment would be futile.'" Kay's Custom Drapes, Inc. v. Garrote, 920 So. 2d 1168, 1171 (Fla. 3d DCA 2006) (citation and quotation marks omitted). "Any doubt as to whether a motion for leave should be g