She did not seem to exist for him as a human.

The other three people in the room did not exist for me.

She thought that a market might exist for others in a similar situation.

I believe he has known that you both exist for some weeks now.

Or a few hours, time didn't seem to exist for a moment.

They might as well not have existed for all of her.

"They only exist for me in the moment of playing them."

She might not have existed for all we could tell.

Those sort of jobs just don't exist for people like you and me.

No hope existed for their friends who'd been on the wrong side of the door.