"Again, obviously." Sherlock sounds rather smug over the prospect, as though he'd somehow had a hand in the development of John's uniqueness. He certainly intends to in future, intends to nurture it to the fullest extent possible, but even if claiming retroactive credit is absolute nonsense, he can't help but be remarkably pleased at the fact they've managed to develop separately but in such complementary ways.

"Though you found me first. I'm perfectly willing to acknowledge a precedent, should it ever become necessary." He tilts his head to one side and wonders if it isn't possible to take someone's pulse with one's tongue. "For the record."

As though there's really any choice. As though he's likely to be able to untangle himself from the lot of this anytime soon. The idea is laughable, but so is the idea of admitting it.