[Roxas probably won't understand many pop culture references, and so he will probably assume all of them are insults. At Reaper's query, Roxas shrugs, placing a hand over his chest.]

Well, to be alive, you need to have a heart, right? And all the worlds I went to had people who were whole, so... maybe that's it. To have life, you need a heart. Whether it's a heart of light or a heart of darkness, that's what's needed to make someone whole.

[He says it 100% seriously, too.]