breach of that contract; (3) damages flowing therefrom; and (4) that plaintiff performed his own contractual duties. Pub. Serv. Enter. Grp., Inc. v. Philadelphia Elec. Ca, 722 F. Supp. 184, 219 (D.N.J. 1989) (citing 5 Wright & Miller, Federal Practice and Procedure, § 1235 at 189-90). In other words, "when pleadi