Original sentence: But when the camera cuts back to Emily's drawing, Emily has two heads.She nears the closet, opens, and smiles at her own reflection
Edited sentence: But when the camera cuts back to Emily's drawing, Emily has two heads, suggesting that she also has multiple personality disorder.In the end it is suggested that Emily also has multiple personality disorder and imagined the entire chain of events.She nears the closet, opens, and smiles at her own reflection, suggesting, like David, she too has a split personality due to trauma