Here's my idea, and we might be able to workshop in some other stuff
After an event that leads your character (Can be literally anything or anyone), they find themselves in a predicament, be it a generic interest in being babied or an accident (it can be public if you so wish
). They then go to a special facility, where they are taken care of like infants by an automated system. They get to interact with like-minded ones for as long as they so wish (and pay).