I'll be leaving behind a country that has changed forever: a little less sure of itself, its happy protective bubble burst.

Faceless bureaucrats answerable to no one are living their lives in a protective bubble.

Could its protective bubble be about to pop?

Oxytocin puts a smile on your face and a protective bubble around your relationship.

Headphones enable listeners to float through public areas in a protective bubble, actively tuning in or out who or what they want.