Honesty would be the best policy, "I was thinking of Gotham, and arrived here. My Gotham no longer exists, and I have been here before, so I guess however I got here must of been fate. Or destiny. If you believe in those sort of things."
She frowns, and mutters, "I was thinking of something I left in my Gotham Bank, but I suppose it is gone now that my Gotham is destroyed."
Then softly, "and talking to him about a change in my life."