Castiel nods. Though now a little niggle of doubt is nudging at the back of his mind.

"Should that prove to be the case, may I......I would not presume that you would be at the disposal of...."

Castiel shifts slightly.

"Should I need aid or advice, may I seek you out?"

Angels seem to be thin on the ground in Milliways. Castiel has never missed that backing more than at this moment, as the task he has set for himself--and the possible ramifications--begins to sink in.