Elena opened her eyes, looking at Nathan, who was now slowly parking the car in front of her apartment.

"But I've given birth to four children, Nathan. You know that."

Nathan looked away, still waiting.

"Do you... still want to have your own biological children as a descendant of the Sebastian family?" she asked softly.

Nathan looked at her with an expression that was hard to describe: gentle, calm, and respectful.

"Elena," he said with a sigh. "I never made children a requirement. I fell in love with you, not because of the possibility that you may or may not give birth again."

"But..." Elena bit her lip. "What if...