The matter of fact way his choices were dealt out left little room for questioning. Sam's instincts were telling him that she was the real deal. That didn't mean that he wouldn't look for a way to end her, but whipping out his gun or some sort of charm and trying to kill her right here and now would be suicidal. Of the many things that Sam was in his current state, suicidal was not one of them.
So instead, he took the seat next to the woman whose eyes seemed much older than the rest of her.