He was a laid-back individual, seemingly relaxed and easygoing. His demeanor hints at a personality unaffected by stress or tension, possibly influenced by his lifestyle choices. The quote suggests that drugs can alter a person's mental state, making them feel normal or less crazy.
In the context of the book, the quote implies that substance use can serve as a temporary escape or remedy for perceived madness. It highlights how drugs might change one's perception and behavior, offering a fleeting sense of calm or clarity amidst inner chaos or mental struggles.