Lyric discussion by ModestAnti 

I think it is describing a successful recovery from drug addiction. Whatever that 'something good' was was a motivator for the person. It helps him to forget about the nagging, incessant siren song of the drug(s) that most recovered users has to face for the rest of their lives.

The matador, like the user, plays a risky game (blood sport) that they ultimately love. The roar of the crowd, like the thrill of the high, is part of the draw for the matador. Once the user is fully clean, his matador side of him is 'dragged from view'

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