[He fails to get what you're talking about, but fuck if he's not grabbing Ace's arms in an attempt to shake him out of it or maybe just to shake him to see if he's real, or out of his own haste. Or because the answer to making Ace less upset is obviously to shake him somehow.]
Why not?! Screw that, Ace-- We're both here! You're...
It's not a dream, right? [After seeing Sabo, he could be just dreaming with good reason. But he's grabbing him right now, isn't he? This is Ace. Real flesh and blood and alive.]