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Shawn was never the same after that beating. Before that he was very respectful towards Hart and the others. The initial turning point came when he fell under the influence of Kevin Nash and Scott Hall. But after the assault he went over the edge with his diva demands. After the assault, his drug use of pill popping which was already alarming went into over drive. Vince assigned a guy (named Tim I think... can't remember) to follow Shawn and carry his bags, get him to his room, make sure he made his plane, etc... this guy's previous job was doing the exact same thing for Andre The Giant. Basically a nursemaid/valet.
Shawn was so insecure that he was constantly biting his nails. There was nothing but a tiny stub left on each finger and he would chew it nonstop until it was bleeding like crazy.
Scott Hall's nickname in the dressing room was Razor The Moan because of all the whining he did.
Louie Spicolli was the second worst case of slow suicide that Hart had seen in his life, next to Rick McGraw.
Vince fired Louie under the pretense that his drug abuse was out of control and vowed the next wrestler he hired would be drug free and a model employee. The next wrestler he promptly hired was Brian Pillman.