[shibumi]

"'If you don't be yourself, you're going to be miserable for your whole life,' is the advice that comes from 11-year-old Isabelle.

Makes sense to me.

Whenever I face serious personal crisis, I always seek out the sage advice of the nearest 11 year old.

[Does so]

"'If you don't be yourself, you're going to be miserable for your whole life,' is the advice that comes from 11-year-old Isabelle.

"Be yourself" = Burger King ?