[Hakkai nods, considers the discarded cup noodle, and bundles it and his chopsticks together into a nearby trash can. Neatness can be a coping strategy. And, frankly, the cheese curry smell is making him a little ill.]

I'm sorry. While it doesn't help... I know how that feels. Someone very important to me has been here, and disappeared, a few times now.

It's not impossible that your friend will reappear.