It's a cool theory. As I said a few times, my interpretation is that to control another is to be controlled by that other, and also that all forms of existence - whether physical matter or imagination - are essentially the one substance.
Then, we have soul (self), base material (representation of outer) and the spirit, which is the communicator between the two worlds.
So, it means that though happiness we make others happy, and so on.
The number 2.
It means 2.