cocooned existence
cotton wool existence

It was a comfortable, cocooned existence.

The hook to heroin addiction is the false sense of immunity to the state at large but as withdrawal starts, this cocooned existence abruptly unravels.

They might joke about a cocooned existence, as Dire Straits did in "Money for Nothing" - in which an appliance moving man jealously contemplates the easy life of rockers as portrayed in video clips.