He's just starting to subside into the low hum in his head, lulled by the heat and the gentle touch, when he feels Neil's tongue, just there, and he stiffens, letting out a sound that's more of a sigh than a moan.

The fact that this still completely undoes him, in a way what happened in the alley never could... The day that's no longer true might be the day he actually starts to feel fear again.