What do you call someone who hides their pain behind a smile?

What do you call someone who hides their pain behind a smile? This condition in psychological terms is rarely known, it is called an eccedentsiast. Eccedentsiast means those who hide behind a smile to convince others that they are happy. Also known as smiling depression which is a type of depression that is often not detected.

This condition in psychological terms is rarely known, it is called an eccedentsiast. Eccedentsiast means those who hide behind a smile to convince others that they are happy. Also known as smiling depression which is a type of depression that is often not detected.