"I'm sorry, love. I'm extremely sorry." As Nathaniel said, Alexandra broke the eye-contact. She was real mad at him for breaking the promise.
As she tried to part away from him, he tightened his hold over her. "Talk to me, Alexandra." Nathaniel said, still she was silent which was aching his heart already.
He made her looked at him and said, "you're still weak. Why're you here practicing all of a sudden? Don't you know it'll deteriorate your health? Let's go home. You should take rest."