[..........last ties to his home?]

He may. When I first arrived I was quite curious to know if there was an older version of me living somewhere in Japan. I don't think it's implausible to think that Mr. Green Walker is out here, somewhere. [...] He seemed very certain. But I don't think it's impossible that he would find his way onto the path you forged, someday.

[because that's what blue is, isn't it? it's hope.]

If I may ask--what do you mean when you say your last ties to home?

[He's said no subject is off-limits, but she still feels she should ask permission for that.]