Honestly? Kou appreciates that more than any 'sorries' or downtrodden condolences he's ever received. He barks out a chuckle-- the kind that doesn't particularly convey happiness, or any deep emotion at all, honestly.

"Sure is," he agrees without any further commentary, rough and to the point, papering over any deeper pain or grief.

This guy gets it. No need to go deeper than necessary.