I found this editorial about voluntary missing adults, whom the author refers to as “maliciously missing.” That may be a good term for it, though as I have written on here before, I believe many adults who walk out of their lives are deeply troubled people who need help. The article references Jon Van Dyke and David Rockey, both of whom have previously been profiled on Charley.
I sometimes wonder just how seriously we should take a spouse or parent’s assertion that their MP would “never” abandon their family, children, job, etc. Of course, the MP’s family knows them better than anyone else, but at the same time they don’t want to think or speak badly of their missing relative. And it’s possible to have secrets your closest friends and relatives don’t know about. The family’s opinion should be taken into account, but I don’t think we should assume an MP definitely didn’t leave on his own just because his family says he was an honorable and responsible person who wouldn’t have walked out on them.