Supply and Demand

The underlying principle of economics is the assumption of scarcity. Things are as valuable as they are scarce. The law of supply and demand.
That metaphor works well for our ego states, too. Every Enneagram style is an experience of deprivation, of shortage. The more entranced we are in our ego style, the less grateful we are for what we have and the more conscious we are of what we don't have and our need to have it.

So one way to discern your style and your relative freedom within it is to ask, "What is missing from my life?" If you really want to shake things up inside, follow up with, "And this thing(s) missing from my life -- how do I keep it out?