It is the mind, not the self, that feels (sad, happy, angry, etc.).

We all have problems. Or rather, everyone has at least one thing that they regard as a problem.

Most sane human beings who are over the age of six usually act or react not as per what they genuinely feel or really think but in accordance with the expectations of those around them.

Most people would instantly start feeling ten years older if someone were to convince them that they were actually born a decade before their birthdate.