I feel I may not of done something I needed to do.
What did you forget about?
I don't really feel like talking about it.
Are you sure that you do not want to talk about it? It is okay to want to admit to your mistakes.
I know that I did something and I'm trying to figure out if I should admit to my mistake.
It's hard for people to admit mistakes. But doing so could relieve a lot of stress.