Bilbo was fully aware that Thorin wasn't usually one to allow others to be this close to him. Physically or otherwise. He was pleased and honored that the Dwarf allowed him in. He would have hated it if Thorin hadn't wanted him to be this close, hadn't allowed it. In the beginning he wouldn't have, Bilbo was certain of that. But now? Now he did.
"I am glad we are, too," he said, softly. He placed a kiss against Thorin's lips, and followed it by a second kiss.
"I do not know how well I would handle it if you got sent home," he admitted. "Especially knowing what awaits you back home." He sighed softly, then peered up at the Dwarf. "Enough of that, though. Maybe we can go to bed?"