She definitely got the raw deal, losing the love of her life and her job at the same time. But lets be real here. Who hasn't been dumped before? Who hasn't been fired before? Both suck, but its all about how you react to it.
You don't have to abuse drugs and drinking to escape, or become an adult film star or lie and say your ex-boyfriend hit you and still rant and rant about a breakup from 16 years prior.
She never learned how to deal with the real world and handle things maturely. I'm not defending HHH and The McMahons but Chyna made her mistakes in this too.