[Ah, so she met Mikasa already. He wonders idly how that went. Probably just fine, Mikasa has no immediate reason to be hostile towards her.]

Yeah we have been... in two other worlds before this. Just the two of us.

[If she looks closely enough, she might spot the wedding ring on his left hand. Similar to what Mikasa was wearing.

It's a good thing she doesn't ask about Sasha, since he would just get worried about why she would. It's better if doesn't know about her death.

To the question, though, there's a simple anwer.]

I have. I am happy. Life here isn't always easy, but I would still choose this or any of the other worlds rather than home.