Touch of the Frozen Heart S01 E16 Not qualified to be jealous, or really not jealous?

Princess Nangong Ying betrays Crown Prince Su Wuyang, the man who loved her, to avenge her fallen kingdom. Believing his love died with her betrayal, he moves on—until five years later, when seeing her with General Pei Xian reignites his jealousy, obsession, and heartbreak.