He shares a smile at the comparison to the rush of adrenaline their cases cause, knowing that both of them feel rather the same way about it even if John is less inclined to express it outright. It does rather feel like that, though; the fluttering of a quickened heartbeat, excitement tingling in his fingertips and the want to do and the slipping hold on patience...

"Applied studies." He sputtered slightly, but more in flustered bemusement then discouragement. "Always have to be scientific about everything, don't you?" John said with a fond grin, eyes soft and quite obviously showing he had no mind to change that about his friend. The doctor raised his hands in an offering gesture before dropping them back against his thighs. "All right then. We'll let it happen. No arguments here."