"Only that ... I knew many people on the ship found even those circumstances to be preferable to returning to their own worlds. I was aware, vaguely, that you might have reason to be one of them."

A pause, as they walk a little further.

"I still don't remember exactly how things fell out at the end. But when I found myself back in my own world, I worried that that might have been others' fate as well."

Two more paces.

"I will admit, in the interests of forthrightness, that you weren't my greatest concern."