An affect display can be verbal or non-verbal display of emotion. They are usually conveyed by facial expressions, however, they can be displayed by gestures and body language (rubbing hands in glee, rolling up sleeves), non-verbal signals, volume and tone of voice, laughing, crying, chuckling e.t.c.
Usually you do not repeat the title in the paragraph it is normally the topic. When you repeat the topic it is when you need to remind the reader what you are talking about or how something relates to what is happening.
