[8] The proposed amendments are opposed by the first, second and fourth defendants. The defendants submit that amendment of a pleading is not a right, and that it is necessary to balance the interests of justice in all of the circumstances. Whilst each defendant relies on slightly different grounds for opposition, the central thrust of the defendants' opposition is that the amendments are made late in a proceeding which is well advanced towards trial, involve the pleading of a completely new case which will necessitate the revisiting of disclosure and the evidence that may be given by witnesses identified as relevant to date, and involve the pleading of inconsistent assertions. Further, the proposed amendments involve allegations known by the plaintiff prior to the commencement of this litigation, and the plaintiff's failure to plead this case at an earlier time was a conscious decision on her part not to rely on such a case. The plaintiff has failed to personally swear to the issues now sought to be relied upon, and has failed to provide a sufficient explanation for her previous decision not to rely on such a case.