"I..." Castiel casts an awkward glance over his shoulder, as if trying to assess his charge's condition. "I do not believe so."

"The damage is, by and large, not physical."

Damage on a spiritual level is harder to outwardly diagnose.

"Here we are outside of time. When he is fit to continue, I will complete my mission."

And hope that none of his superiors noticed the little detour.