Why mess with such a lovely perch? "I had the feeling it really wasn't me. It was too proper," she begins, in her soft, native West Texas drawl. "You can't take the West Texas out of a girl. Some of that just had to come into play." Cue the tree-branch tables, the deer-antler sconce, and the rugless — albeit 18th-century cathedral stone and 19th-century chestnut — floors. "I wanted things that were a bit edgier," she says. Make way for the outsized French ceramic lamp on a wooden sculptor's…