But I say it’s fine. Honest, I do.
Personally, I find this line to represent the speaker's corrupt mind due to segregation. By reassuring her thoughts with the "honest, I do," it's almost as though the speaker assumes that the reader thinks she is lying when she says it's "fine." Perhaps this is because she knows it isn't fine, but has no other choice other than to accept what is forced upon her. It also demonstrates that she has grown to accept the limitations segregation brings, and maybe even is starting to believe that it is right.