Dexter Rating [cracked] Info

Or, more simply:

To have a high Dexter Rating is to be a cautionary tale. To have a low one is to be a legend. And for fans of television, the Dexter Rating serves one crucial purpose: it reminds us that —and that sometimes, the only way to win is to quit while you’re ahead, before you find yourself alone in a cabin, growing a beard, wondering where it all went wrong. dexter rating

Where lower final season quality produces a higher (worse) DR. Or, more simply: To have a high Dexter