Matt returns it, still thoughtful, and--

He opts for Sanskrit. Celestial fire is in the spirit of things.

With Matt's mind slowly emptying, and his lips shaping the syllables of a language not his own, he squirms a bit to push his jeans and boxers down his hips.

He pulls his cock free carefully, with a brief glance to Sherlock's face (but only brief, or he'll lose the thread).

He starts to stroke himself.