Court Test

http://www.bloomberg.com/news/articles/2015-04-17/sex-with-your-wife-or-rape-husband-of-alzheimer-s-patient-takes-the-stand

http://www.bloomberg.com/news/2014-12-09/rape-case-asks-if-wife-with-dementia-can-say-yes-to-her-husband.html

In context it is an important test between a women's frame of mind as monitored by medical science and how the court interprets the actions of a person's actions with full knowledge of the situation and of sound mind.