In considering Lear, I've been fascinated by Edgar and Kent. Their loyalty, their dogged devotion and their self-disguise. And in the case of Edgar particularly, the disguises that are necessary for children to take on in order to approach and relate to a parent.
We all deny ourselves to fit with family to some extent. Edgar and Kent are extreme cases, and the latter is not a blood relative. But Cordelia bravely and perhaps stubbornly doesn't fashion herself to her father, and suffers exile as a result.