Do We Die Continually?

Sebastian: "I got to live a different life for a moment and it was really beautiful" He says he doesn't think he'll ever get used to being separated from himself. Sebastian is the middle of two Alex, who can both be separated into two parts. Do you still feel like yourself? You don't know if you do or not; I'm just hearing that for the first time. It's alarming every time. And it's kind of like death for people.