Roxas? I don't know; the last Roxas I knew was a guy. Then again, I've met a girl named Rikku, so maybe it's one of those all purpose names.

[He shrugs and smirks, well aware that this was a joke. But hey, worth pointing out all the same, right?]

Well, that's assuming people hold onto those memories when they leave. It's a tough call; there've been cases of people slipping into comas and experiencing events back home without realizing they were here until they wake back up. Honestly, unless we found a way to go back and forth at will, it'd be hard to get a clear answer.