Answer:
There is a comma before and a comma after the word Christy
You should write about what the person did/does in their life and how it affected the world and/or themselves and/or people around them. You could also include their relatives, family members, siblings, hobbies, etc.
<em>Mitch's brother had a sickness like Morrie's so that is one similarity. Morrie also has a younger brother like Mitch. A contrast is that Morrie knows it is okay to show your emotion ex: crying Mitch however does not......</em>