She too closes her eyes, the world around them quieting until there is naught but the sound of their shared breath and the beating of their hearts.

No, she cannot promise that which she cannot keep, and yes, she will do what must be done. Of that there is no question, no doubt. So what can she offer to soothe his mind? What promise is there she can uphold, when so much is unknown, intangible, fleeting?

Only to keep going, to keep hoping, and keep loving. She makes that promise to herself, seals it with another kiss, and when she opens her eyes to look upon his face, she smiles.

"I will."