[Xiao Xingchen stops his rummaging for a moment to turn and face the man, just to make sure that he sees the exasperated face he's making right now. Even without eyes themselves, he's sure it gets his own point across in turn!]

I only let you know so you didn't begin to think that I was about to leave you here for long.

[Suddenly leaving his friend here - barely able to move - would feel contradictory to his earlier assurances if the man behaved properly. Although... that does strike up some curiosity about what it would be like if he did so. Not that he has time to consider it, after such a delay already.

He manages to pop open what kept the small, soft pouch closed. Immediately the scent of its contents fills the air, smelling unlike anything he can recall, yet gives the sense of being edible. Squeezing it more pushes out some of the liquid inside, and Xiao Xingchen makes another face as he touches the tip of it. The liquid does feel wet and slippery...]

Is this the sort of lubricant that voice mentioned?

[He turns the bottle towards his friend.]