I'm not sure if I'm intruding on this thread given I'm not an INFP or even an NF, but I have a few questions.
I have an INFP friend who I often feel like is the easiest person to talk to when everything seems awful, yet we don't actually hang out that often. What sorts of behavior on my part would cause an INFP to feel used like this? I still definitely talk to her otherwise and am happy to listen to her (although of course I'm not really capable of the seemingly unconditional empathy an INFP can express), but I'm curious if this might still be an issue.
Also, I will say that given how INFP's want to be valued as a good friend, there may be a tendency to feel like you're sacrificing for people when they don't really need your help. The need to be a martyr isn't selfless, and its definitely a tough balancing act to know how much of "helping" is actually helping versus doing it for yourself. Comparing this reaction in healthy NF's (whose friendship is downright priceless) to less healthy ones (who feel self absorbed in this context sometimes), I can see how tough it is to know if you really do have good intentions.