This one is hard...not really sure why. I'm hard on myself in general. I think it's a family trait. Good is never good enough, it must be better, preferably best. I "hyper-focus" to the point of driving myself crazy. Forgiving myself is, therefore, immensely difficult.
I'm sure the list of things I need to forgive myself for is very long...I just honestly have no clue what is on it. I'm always focusing more on what I need to do for others than what I should be doing for myself - and that includes the forgiveness category.