He feels that warmth and it makes the corners of his eyes sting with tears of happiness at feeling that which had been lost for so long. His core had been so strong..stronger then Jiang Cheng's. But Lan Wangji's core is definitely stronger then even his was. He smiles as he feels himself lifted slightly to his toes.

"If I get it again..You're definitely taking it back. You deserve this core more then I do."

He releases him only long enough to move his arms up to encircle Lan Wangji's neck.