Are they trying to tell us that Lu Feng is still battling with the darkness of his obsession, that the reminder of Yichen still having other people in his life that he cares about, is almost driving him over the edge, and that that's what will prompt him to seek help from a professional in the final episode, because he does not want to hurt Yichen again?

Lu Feng scooping Yi Chen up into his arms in episode 11.

双程 | Double Helix E10 ° Are you hungry? Want to get something to eat?

yichen doesn’t mean to overhear. he didn’t mean to trap them all in this mess to begin with. and he could never want to betray his brother, to have what’s his, but he may, furtively, guiltily, be glad that qin lang is tired of allowing him the decisions