He's not Fe, he's Fi -I'm really sure about him, although I see why people would type him introvert or Fe -he's just a dorky, anxious IEE 6w7. IEI's can be awkard too, but in a different way -they're not these over-eager overly-smiley puppies (people always comment how much of a try hard he is), they're still more elegant/detached. You're free to disagree ofc : )