Its hard to let go of control.. Trust me I know what I am saying.
"Really though...it's just the stress of it all....not wanting to lose her..waiting for the other boot to drop...spending SO much time together constantly gives the impression things are progressing in the right direction...."
Your holding it too close.. she has not left yet.
Just like you said.. you both need some independence.
Relax Eat Think Act normal React.. Smartly. Do something different. Emulate. Do Work.