Hmm... yes! The wing is an interesting spin on things, though. Any particular reason why it's not 8?
based on my still limited understanding of the enneagram:
7w8s feel a strong need to appear invulnerable, while i walk with my scars proudly, and can be quite the whiny bitch when i'm hurt - much more of a bleeding heart in terms of my vulnerabilities.
7w8s sx-doms are more inclined to be 'players', staying away from commitment and reliance on others, while i'm a very relationship-oriented sx-dom, my problem is not in making commitments but in trusting the commitments others make towards me.
7w8s have a kind of fortress-building mentality, having a bit of a greedy self preservation spin around themselves, while i have a constant waltz around my fears - fight & flight - face them now or hide to face them another day. it sort of has an opposite orientation - the 7w8 is himself vs. the world, with the dance centering around his fortress, while the 7w6 is himself vs. his fears, the dance revolves around the fears.
basically, we both want to see the world and plunder it's riches, but the 7w8 does so like the Roman legion while the 7w6 does it like the Mongolian horde, and i am a lot more closer to Genghis Khan then Julius Ceasar.