[Well, he can't see anyone, but he can at least sense them coming. And if he's aware of his surroundings at least, it was harder to be taken by surprise. He did feel a large presence come up next to him, and turned towards the sound of his name.]

Yeah, that's me. Are you the guy I was just talking with through this text conversation?

<small[He's still going to reach out a hand to pat the guy's shoulder, or hi five, or shake or something, because it was disconcerting to not see anyone there.]