A machine has been secretly invented which gives users an accurate date range representing how long their relationship will remain happy and mutually enjoyable. The machine only works when all parties opt in. Once they have opted in, nothing can be done to change the predicted date.

Living Together-Apart (LAT) is an increasingly adopted model whereby married couples live in and maintain their own households separate from each other, and have specified times of when to meet, how long to be together and at who's house, e.g. sleeping over on weekends and not seeing each other during the week.

Context Slide: “Rental families” are an increasingly common service in Japan, providing clients with actors who portray absent friends and family members. Actors are often introduced to other people – a client’s parents, children, co-workers and so on – as genuine relatives or friends. They may be employed irregularly, or work consistent shifts (for example, coming “home” each night to cook the client dinner).

Scenario Slide: You are the single mother of a socially isolated child who is struggling to adapt to primary school. The father left you before their birth, making clear he had no interest in the child. You have had no contact with him since and assume you will never see him again. You suspect his absence is a significant burden on the child, and worry that the child blames themselves for the father's departure.

Stingy Men Association (SMA) is an informal multi-ethnic movement of men. They strongly encourage men to not spend their money on women, both in their daily lives, such as Bae Allowances, and on special days such as Valentine's day.