i think that because there are certain things that make the neighboring types alike, one naturally will connect with both wings at least a little bit...
1
drive to improve conditions, need to be "good", self-sacrificing
2
desire to have people think positively of oneself, using relation to others to ensure identity
3
concern with one's identity, powerful self-perception, vanity
4
isolation, superiority, depth of thought
5
mental obsession, critical observation, holding back as self-protection
6
racing thoughts, future planning, pushing forward as self-protection
7
self-assertion, focus on pleasure, strong forward-moving energy
8
protective, physical reserve of energy, very body-connected
9
idealism, philosophical bent, strong global sense
1
(loop)