[ Is he trying to break both Lan Wangjis hearts because he is going to do just that as Lan Wangji misunderstands him completely. ]

...Wei Ying.

If you do not feel for him the way he feels for you, he will forgive your reaction.

[ He takes a deep breath and wonders how the hell he got onto having this conversation in the first place. There are many things he could say, and many things he shouldn't say, but he thinks he owes this one the truth. He can only imagine how bereft the other him feels. ]

If he has kept it a secret, it is only because he fears losing that which is more precious to him than anything: your friendship.