An old members thoughts.

[AnthroHeart]

I don't tend to see it in terms of STO or STS. I see it as acceptance or separation. How much you accept others and what comes your way, or how much you separate yourself by pushing back. How much of Creator's light do we let in?

I think in this case we find ourselves in a certain subdensity of 3D. In the middle of 3D lies the 4th subdensity (love subdensity). If we are just over the middle point of 3D subdensity, come harvest we will have sufficient density (less of an ego attachment) that our momentum can carry us over into 4D. Our subdensity tips the scales in other words. It's about being ready for the lessons that 4D will offer by already having practiced them at least in the 4th subdensity of 3D.

Subdensity I have found is also tied to how expansive the possibilities for experiencing are. You can get somewhat of an idea of where you are by what emotions you tend to have the most. If they are expansive emotions like longing or wonder, chances are you're further along than if you were set in anger or such. More expansive tends to have less attachment. Currently, my main emotion is a detached curiosity. It's somewhere between longing and wonder.