There was an anticipation in the air that hadn't been there before.

A quirk escaped the corner of Leonard's mouth. "I could do that," he agreed, nodding at Spock. Fuck, the idea... it sounded so easy but he did know how Spock enjoyed fingerplay, and the idea of concentrating all his energies on that, one making that the focal point - the idea was beyond intriguing, and Bones suddenly wanted to see how far he could push Spock with his hands.