Likewise, Heather is talking faster and faster. She even reaches out and grabs his shoulder for emphasis, unblinking.

"We would all be dead. She'd get home, see him NOT there, and then she'd go back out, buy a gun off the black market, come back, and shoot us execution-style."

She may or may not have experienced a complete Occurrence At Owl Creek-style mental vision of this as she sat on the floor with her Tea (tm) waiting for her friend and roomie to get home.