[Razengan]

> In essence, you take 100% responsibility for all problems that you experience. ... So if you have a problem with someone, by taking 100% responsibility, and by doing the cleaning processes, you and that person becomes "free".

I discovered something similar from another direction, by choosing to believe in karma, whether or not it is real.

i.e., if someone makes me upset and I can't do anything about it, it's because I upset someone else in the past and didn't make up for it.

It may not work for everyone but seeing things that way sometimes helps me absolve myself of guilt and bitterness.