Another thought that came to mind is to pick up the sailing hobby by buying just a small boat at first - whatever you can afford.

Eventually, you will upgrade to an unlimited ocean boat, and can opt out for lengthy periods by circumnavigation and such.

If you are handy and like such chores, building one from a kit you can probably afford to do within a few years.

That's a good way to introduce other to opting out in an enjoyable way.

Can get into that with a project boat for the price of a good second hand car: