The people on the plane weren't the only ones concerned about his love life. Back at the Uprising Headquarters, there were more people who had the same concern.
Milena was wondering what Lucifer's answer was going to be. She had proposed to him, but she hadn't received the answer right away. She had given Lucifer some time to think about it before deciding on anything.
She was still hopeful that he was ultimately going to say yes. She felt that the two of them were right for each other, and she was sure that Lucifer was going to see it someday.
Other than her, Eve was already sure that she and Lucifer were going to be together. They had already spent an intimate moment together, and she didn't see anyone else that could be worrying for her.