My Wife Is Cold-Hearted

Rui Xi has a bad family circumstances so Ji Yun married her. On the first day of their marriage life, Ji Yun said to Rui Xi: ”I gave you the position of becoming my wife but I will never be yours". After years, she became a cold-hearted person. She brought a young child with her and appeared in front of Ji Yun. His mind is now messed up but is Rui Xi's?