As if the enneagram needed to be any more complicated. :)
But I do see how birth signs can give a very subtle difference in flavor to someone's type. For instance, I'm a Sagittarius and I'm much more chatty and adventurous than a typical 8. I think, anyway.
I suspect my birth sign influenced my wing, which used to be 7, but I think is now much more 9. In fact, I was trying to live at 7 back in high school (before I knew the enneagram). Didn't work out so well.
What about you astrology experts and Meyers Briggs specialists out there? Thoughts on this?


