 but they realized ultimately they were in a cul-de-sac, a dead end. The reason for them being composite beings, physical as well as subspace, was so that they could experience something in the physical realm. And then they realized that unless they had more emotional flexibility in their mind, they couldn't be like some of the very great beings that they discovered out in the realm. They needed to experience more, yet they were terrified of going back to their own past.