[Maybe. Perhaps. There's nothing at all in what he says or does that makes Zhongli think Childe would do anything less than keep taking.]

My body has no need for satiation, you should be able to tell.

[His heartbeat is picking up, but he's still more frustrated than anything. It helps, somehow. And he just... lays back, exhaling a beleaguered breath.]

If there's a risk you'll continue, I may as well just endure it now, then. Go on, then.

[Will he be able to get out of this without a sharp reaction or anything he doesn't want to give? Probably not, but he's evidently going to try. If Childe doesn't care what he wants, maybe he'll care that he's doing nothing.]