Why indeed? Kylo's face clearly doesn't know how to communicate any better than he does. It twists and tugs a little uncomfortably as if he's shuffling through expressions, hoping he can find the right one before he has to suffer the indignity of looking sheepish--

"I almost did," he tries to explain. "I made him a ring. Months ago. And then I put it away, when it seemed he didn't believe marriage was for people like us. I'd show you—" But, you know. The stubbornly persistent smile spreading across his face again could probably complete the sentence for him, if he let it.

"—but he's wearing it."