How do you know when you're singing completely free?

I keep finding more and more in my voice. Found more today! 

I listen to EVERYONE! A choir member was singing so free, so I tried out what he was doing but with my voice.

I can hear it in others, but I have the hardest time actually critiquing myself. Maybe I'm Loonte and narcissistic. I mean loony ;)

How do YOU know when YOUR voice is free? Or does it even matter? What does vocal freedom entail? Is it the same for every genre?
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I'm not adequately knowledgeable in Estill methods. According to what I understand, there's flow phonation and compressed phonation. For classical singing, all we're taught is flow phonation. If it isn't flow, it isn't "healthy" or "free".

So when I said I found more freedom in my voice, I found more airflow! When I'm not singing classical music, I'm not in flow. That's easy cuz that's basically where I speak. I'm thinking of modifying my speaking voice closer to flow, so it can influence my classical singing for the better.
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What's your interpretation of vocal freedom for your genre of music?

Here's mine: ​http://www.classicaltocontemporary.com/blog/free-singing-does-it-exist