- Relations of Activity only engage the mobilizing and base functions.
- Relations of Duality engage the base and DS functions, while the HA and creative functions co-operate.
Possibly because the DS is too weak to engage the other's creative before the HA and base zero in on eachother.
At least, by interactions with ILEs in school, this works. We definitely do interact (perhaps only because it's short-term?) purely on a Ne and Fe basis. It's the truest definition of "crazy fun = crazy + fun".