Board Thread:Questions and Answers/@comment-88.0.101.228-20160422141039/@comment-27384850-20160422200657

He's basically saying he'd like to see that as well, it's his way of saying that's what he wants from the series without promising that's what'll happen in v18. The original comment has the person (@ywing84) saying they'd like Kirito and Asuna to marry at the end of the next volume. Kawahara's not sure what's going to happen after Alicization according to another of his tweets, so this is his way of saying "I want them to get married IRL, but that might not happen just yet."