"It may happen anyway," he cautioned. "It's intense." But still, the way Sizhui absorbed all of the information so far and was still thinking of Jingyi first made him feel soft for a bit. And envious. But this wasn't about him.

"So with mouths? Same thing. You can use it anywhere as long as you're comfortable and he's comfortable. Might be a little more versatile than hands because you won't need oil..." Ah, yes. He had forgotten about that.

"Lubrication goes a long way. Too much friction will cause pain and rashes. Sometimes, in the right frame of mind, it's good but starting off? Oil." He lets Sizhui have a moment to digest that and finishes the tea in his cup, setting it on the table with a distinct clink.