umm, infps are chill before you cross their personal values but they will get angry if its something against their values, in private relationships. it's different in public, you didnt get the chance to hurt them privately.
that's my impressions of few INFPs i got to know very well, they often complain. but they are chill until you dont get to be part of their inner world. INFP i know that is hard to piss is 9.
what i actually wanted to say about OP is that NFPs are complicated creatures and she didnt describe herself much complicated, especially about emotions. There is something structured in the way she wrote OP, that i dont see in NFPs. And I see in INFJs. i have a few infj friends, i admire that type a lot, they are really hard to piss.
maybee better word than piss is that they are highly selective about who they like. and what they like. less agreeable than INFJs.