It relieved him to hear that they were both happy and excited. Regulus's only worry was that Narcissa had enveloped herself so much in her excitement, that she was forgetting the way Lucius had treated her in the past, around the time of the Valentine's dance.
"I can understand that," he said when they spoke of keeping the engagement a secret. "When do you think the wedding will be?" He wondered if Narcissa would be returning to school engaged or married.