In the context of the Johari Window, who among the following most likely has the biggest blind pane?

O Abigail, who is stressed because of time constraints at her workplace

O Danny, who hides his feelings and emotions from his friends and family because of his shy nature

O John, who loves to initiate small conversations with strangers

O Mary, who refuses to accept her friends' view that she doesn't give others a chance to speak in conversations