"What do you mean?"
I'm not sure if I'm really here or not.
"You look here to me."
I don't know. Don't you already know how confused I am? I'm confused. Very confused.
"You're definitely back. That's a signal."
Signal shmigmal. I don't know!
I might be at some sort of recovery stage, if that counts as 'here'.
Yes, I am.