Did she run away?
Yes. Yes, she did. She has nothing keeping her here anymore.
A sharp regret pinched his heart. He exhaled a tremulous breath and said:
But why would she leave without saying goodbye? I don't understand."
It takes courage to say goodbye", she said while cradling the side of his face. 
He looked ready to be sick. He pulled away, his eyes downcast.

You could see that he was devastated; heartbroken... 
And as the days passed by, weeks turned to months, months turned to years, his heart continued to yearn for her.
But what he didn't know was that the stars had already aligned.
And this wasn't a farewell. It was simply a "till next time..."