Dennis Quaid was the golden boy of Hollywood in the 1980s—but few people could have guessed what was really going on behind the scenes. Off stage, the actor’s life was full of drama, trauma, and dark secrets, and it was all bound to unravel in a spectacularly public manner. Today, Quaid has tried to put his demons behind him, but somehow they keep popping up… 1. He Had To Earn His FameThere’s a reason Quaid has so much southern charm: He was born in 1954 in Houston, Texas. Unlike so many Hollywood insiders, his parents were firmly middle-class with no family connections to Los Angeles. Because…