If you're a resentful person, you've got unprocessed anger that needs to be felt.
Resentful --> Anger
If you're a depressed person, you've got unprocessed injustices that need to be felt.
Depressed --> Injustices
If you're a critical person, you've got unprocessed shame that needs to be felt.
Critical --> Shame
Whatever your default emotional state is, it's quite likely you haven't fully processed the defining events that have caused your pain and suffering.
Unprocessed pain = Chronic suffering
Inside of a meditation, revisit those experiences, feel those feelings, and allow yourself to fully own your involvement in those encounters (even if unintentional) so that you can finally and fully disown them.
Own --> Disown
We always a choice to transform our wounds into a sacred story, or continue transmitting the pain caused by them.
"Your intellect may be confused, but your emotions will never lie to you." Roger Ebert