[ Zhongli does his best not to laugh at how endearing Childe is being. This precious easily-distracted boy. How can he not smile at how earnest he is? ]

I believe the elemental reaction you are looking for---

[ He says so casually as he attempts to twist their positions to press Childe's back flat against the Exuvia with Zhongli flush up against his front. He leans down further to steal a quick kiss. ]

--is crystalize.

We're almost there.

[ As the hotel and more importantly Heart Soldier's balcony starts coming into view. ]

Just be patient a little longer.