Is it because it's something they both want and, as two able-bodied adults who are capable of making their own decisions, maybe need to relieve the stress of daily life every now and then? He curls his fingers into his palms, rubs his fists against his thighs, attempting to curb the eagerness he has to reach out and pull Jiang Cheng closer.

“Well... there's the more obvious, disgusting stuff? And I don't want too much pain, don't want to be cut, don't want to be beaten. Otherwise, I'm pretty open to a lot of things and have always considered myself to be experimental.” He hums thoughtfully, considers the options that are being offered. “The light system could work, although I'm unsure what you mean by motion. Like, if I can't talk, I need a gesture instead?”