Answer:
She thinks she is a phony because at the funeral there was a front row section for people that Khalil cared/family. She felt guilty because she could not help Khalil when it happened, and the injustice of his death. She thought she did not disserve to be in the front row.
Khalil "Mind your own business Starr"
This is what she thought every time she felt guilty for not doing anything when he got shot that night after the party.
Step-by-step explanation:
Hope that helps