Because people from later on in their timeline come here and say they were never gone and never mentioned being here. And sometimes people go, forget everything here, but come back later and suddenly remember all of it.

[It's not any magic she understands, but she supposes it would make sense. If people go back and remember everything, what would they do? Would they try to go back? Hawke frowns, sipping her drink.]

I ran into a woman here who I knew back home, she spent years on another world closer to this than where we come from. But she certainly never went missing as far as I've heard.