"People are really romantic about the beginnings of things. Fresh start, clean slate, a world of possibility. But no matter what new adventure you're embarking on, you're still you. You bring you into every new beginning in life. So how different can it possibly be?

[...]

It's all anybody wants, right? A clean slate, a new beginning. Like that's going to be any easier. Ask the guy pushing the boulder up the hill. Nothing's easy about starting over... Nothing at all."

(Grey's Anatomy)