He thinks about what Wen Ning says, knowing that he speaks the truth even if Wei Wuxian is worried about what it will do. But it is the perfect way to work with resentful energy.

"Alright..I'll take it under consideration. I appreciate your willingness to help with it."

He just doesn't want to do anything to hurt the other man. He knows that Wen Ning can handle a lot but it still makes him uneasy to experiment with his energy.