 Will challenges often happen when the testator is borderline competent or is susceptible to influence by others. But being old or in poor health doesn't necessarily mean that you can't execute a will or that you were subject to undue influence. For example, in a Wyoming case, the battle was over the decedent's farm. The court said that the decedent's daughter and her husband had unduly influenced the decedent by continually pressing him to change his will in their favor. In a Kansas case, a widow received approximately $50 million from her husband's estate