Thought I was 5w6 for a while, but after doing more research I have determined that my own core type is more likely to be 1w9.

Regarding the above conversation, I don't think the Enneagram is intended to be used as a behavior predictor. I don't see why it wouldn't work as such, but at its core it is a system that focuses on base psychological motivations. There may be general trends regarding the manifested behavior of a certain type, but similar external behaviors can result from different internal motivations and/or instincts.