For the first one, well, it's complicated. I think Fi users are probably better at imagining how they would feel in someone else's situation, but they are probably not very likely to act on their empathy. I'm a Fi user and this is how I am. I can easily imagine how someone might be feeling, but it's also like, I don't know for sure how they are feeling or how they will react to what I think will be helpful.
Reading emotions based on body language is probably more of an Se thing than Fi or Fe. I happen to pick up on body language really well. I'm especially good at noticing when a person is mad or frustrated.
Reading emotions based on body language is probably more of an Se thing than Fi or Fe. I happen to pick up on body language really well. I'm especially good at noticing when a person is mad or frustrated.