Susan discovered that her younger brother, David, desperate to find a cure to his drug addiction, has made a contract with a doctor from the U.S.A. since there are no programs available in Canada. The doctor has promised him an immediate cure and treatment will begin at his centre immediately. As payment, David has signed over the inheritance from his grandmother that he will receive when he turns 22 next year. Since the cost of the treatment is only a fraction of the value of David's inheritance, Susan promises to pay for the treatment provided David can reimburse her next year. However, the doctor refuses to release David from their contract, and he does not know what to do. David must go through with the contract since he signed it and he is of age and mentally competent. This is a case of duress, and it is possible for David to repudiate it. This is a case of undue influence, and, if David can prove it, he can avoid the contract. This is a case of undue influence, and since the doctor cannot show that the agreement was fait to David, David can avoid the contract. Although this is a case of undue influence, since David will be able to find a solution at the doctor's clinic which is an invaluable benefit, he cannot show the price is unfair to him, O