“The motions judge also addressed the appellant’s contention that she executed the Settlement Agreement under duress. As the motions judge noted, vulnerability cannot be equated to duress. Duress is the coercion of a person’s will through illegitimate pressure, with one party dominating the will of another at the time that a contract is executed: Gordon v. Roebuck (1992), 1992 CanLII 7443 (ON CA), 9 O.R. (3d) 1 (C.A.); Stott v. Merit Investment Corp. (1988), 1988 CanLII 192 (ON CA), 63 O.R. (2d) 545 (C.A.), leave to appeal refused, [1988] S.C.C.A. No. 185.”