We can't force someone to forgive. Therefore, the road to forgiveness may also involve understanding the person who has harmed us. This requires starting off on a journey that may entail a close examination of the person we need to forgive. The journey can be long and torturous.
Tackling monster challenges -- where failure is the expected outcome because you lack the credentials to succeed -- can be addicting. It's a win-win situation, like being the underdog in a fight: you're expected to lose, but win and you're a hero.