Lear, the main character in King Lear was affirmed as the tragic hero because the play meets all the requirements of a tragedy Tragedy does not only mean death or calamity, but in fact, it refers to a series of steps which leads to the downfall of the tragic hero and eventually to his tragic death.
As we have seen, the sub-plot - concerning Gloucester, Edmund, and Edgar - augments the main plot. Shakespeare prolongs the tragedy as the character Edmund fails to act with immediacy when revealing where Cordelia was being held captive. Lear, as seen in Act I, has everything a man should want - wealth, power, peace, and a state of well-being.
Propriety simply means the conformity to what is socially acceptable in behavior or speech. The character acts out of probability and necessity, and not just because of some random traits bestowed upon the hero Act 2, Scene 4 Blow, winds, and crack your cheeks!
However, instead of dealing with issues, Lear looks to the Fool to distract him with entertainment, to help him forget his problems.