Board Thread:General Discussion/@comment-6192846-20140806122913/@comment-6192846-20140905181139

67.67.9.165 wrote: It may imply that Kyle settled down and had his own family elsewhere, is all, but hadn't contacted Yukina and she's realizing he's been gone a long time. Maybe, but the fanbook states they spent their lives living together after reuniting in Lucifenia (hence why it clarifies they weren't in a "marital" relationship) and is why Yukina states that Kyle seemed "happy" in their later years together.