Answer:
it's like saying I'm sorry for you're lost
It's an internal conflict because Sarah has to decide whether or not to confront her friend. Internal conflicts take place in a person's mind. It shows conflicts of the character with her own self. In these text, Sarah's mind is conflicted whether to confront Connie or not.
Answer:
When my brother finally got back from serving overseas, my family was happy and proud.
Explanation:
It should be
When my brother finally got back from serving overseas (Pause) my family was happy and proud.
So yes, a comma is needed