I have been deeply hurt by someone recently and been bathing myself in swamps of anger, resentment, self-pity and despair from time to time.
When I tell my story to people, they only see it as a misunderstanding, something I'm taking way too personally, I'm megasensitive, etc.
And at some moments, I see clearly and understand it is not so tragic as I take it.
Why do NFs need to feel upset so easily? What is the purpose of this, what's its usefulness?
The only logical answer I find is compassion and empathy. When an event has wounded us, we remember the feelings so vividly that whenever we see someone else suffering, we want to help and listen. Does this makes sense to you?
I have found that the moments I feel the happiest are those when I am counseling a friend and encouraging him when he opens up to me about his hardships. I am happy to help him carry the burden.