But you are... of course I am under obligation to you. All that I've become is-- because you made me promise. And because you drew together a family that could even take me. And because. You're you.

And... if I cut connection to you...

I do not want to. [To do it. Nor to be that alone. He is accepting the rest of the batclan as family, but he's cut one of his blood ties already. Cutting the other off - the thought itself makes him shy away.]