What always resurfaces

"No," Blade speaks up, his voice low and breaking the silence, barely audible. "Don't."

Dan Heng is uncertain about what exactly he means, until he speaks again.

"Stay. Don't leave just yet."

-

Or

The 'Clouds leave no trace' quest, if it didn't end up in such a sad note and renheng got to talk a little more.

The author's excuse to write bittersweet hurt/comfort renheng.