If nothing else, he's been generous about sharing all sorts of treasures with Kai up to this point. Why should he stop now? Having someone he trusts this much at his side makes him want to share these things, and maybe having him there will make accepting the idea of a clean start a little easier.

"Okay."

The other bud goes in his own ear, then, leaning back against Kai once that's set. All he has to do now is hit play, and settle in to listen.