Gulit vs. Remorse
While many people use words like guilt, remorse, regret, and resentment interchangeably, they are different psychological processes. Understanding the difference between guilt and remorse can be very psychologically freeing.
https://feverinsidethestorm.com/2008/07/05/guilt-vs-remorse/
https://www.huffpost.com/entry/guilt-vs-remorse_b_59db68c7e4b0705dc79aa99d