" We get trapped in our own little bubbles, and even though the world is a wide and mysterious place, our bubbles keep us safe from that. To our detriment.” She sighed. “But it’s so easy because there’s always something soothing about routine. Day in and day out, it’s always the same. When we’re shaken from that, when that bubble bursts, it can be hard to understand all that we’ve missed. We might even fear it. Some of us even fight to try and get it back. I don’t know that I would fight for it, but I did exist in a bubble.” She smiled ruefully. “Thank goodness you popped it.”
(…)
“A home isn’t always the house we live in. It’s also the people we choose to surround ourselves with. You may not live on the island, but you can’t tell me it’s not your home. Your bubble, Mr. Baker. It’s been popped. Why would you allow it to grow around you again? "

― T.J. Klune , The House in the Cerulean Sea