[Timeline issues really bite. Probably why Sora hates time travel in fiction as it is and even more so after discovering that it's actually possible in some universes...]

If my information's right, the last few days before he ended up here were pretty stressful. He's got a lot on his mind and he hasn't had time to think about any of it. But he does have the time now. It might be all he needs.

[He knows 'stressful' is putting it mildly regarding the situation Roxas came from, even if it is also accurate.]