Timins v Timins (by her Guardian) Petition for Dissolution of Marriage under the Matrimonial Causes Act 1937, s 2(d), on the ground of incurable unsoundness of mind. In this, the first petition under the above para (d), the patient had been continuously under care and treatment for a period of at least five years immediately preceding the presentation of the petition within the meaning of s 3 of the Act.