"Steph," Snow began slowly. "She lives upstairs. And Sam and Dean. They're brothers, they live in building one." She bit her lip. "I didn't talk at first. They let me."
Other options:
no subject
"Steph," Snow began slowly. "She lives upstairs. And Sam and Dean. They're brothers, they live in building one." She bit her lip. "I didn't talk at first. They let me."