Yeah, what if Sephiroth never went evil and actually tapped into Jenova's powers and could still control her. That would have been cool. Like he could overcome her will to control her. Or did he have to become one with the Lifestream in order to do that.
I think jenova would still have its own will, sephiroth isn't actually jenovas biological child remember so there is no president to say it would have any sort of attachment to sephiroth other than sharing cells and even then your talking about a parasite controlling the host.
