You ended up sighing and going over to her, holding her hand softly while your other hand went to begin making an almost rune-like seal for her, letting her see it before you glanced at her gently. You ask her if it's believable now.
Unfortunately, she seems too distraught to pay attention to anything you say or do. She just continues to scream like her life depends on it. It’s not long before you hear frantic footsteps coming down from upstairs.