She comes home with many different stories. Some people are incredibly wealthy but their family doesn't want anything to do with them so they basically wait to die alone. Some people are poor and mentally ill and are basically living in dumps with rodents running around. Some people do have good situations in which they are cared for and can die surrounded by loved ones.
My wife is the only person I've met who wants to die young (around 40 or 50). Death is usually hidden from our lives - especially when we're young and only comes up infrequently.
While some people who are poor do use their service due to government subsidies, a lot of people don't and there is no public service for the elderly. Stories like this will become much more common over the next 20 years as a huge proportion of the Japanese populations passes on.