They wrapped up with Millie and Draco in enough time to make it back to the Manor before it was time for Natalie to arrive. Considering how much time they'd put in at the Ministry, he was actually pleased that they'd kept to the timeline.
Theo gave a slight shrug, trying to assess what her opinoin of the topic was. He should have, he admitted now, broached it to her before mentioning it as a possibility to others. But she didn't seem upset, he thought as he took her hand, playing with her ring almost absently.
"It was a thought," he said. "They can't keep us from doing a private binding, and most of them can't be forcibly removed." Most bindings asked for at least one sided consent to dissolve, depending on what spell you wanted to use to undo it. Mutual was always best, though, and one couldn't forcibly dissolve the bond against both parties' will unless you wanted to risk some major damage and perform a truly dark spell.
"I admit, I'm not fond with the more common versions, but I'm certain the library has a book that covers it if we wanted to do one." He looked at her, almost shyly, from under his almost-getting-long-again hair. "Do we maybe want to do one?"