Sky Harbor has no Terminal One, so you don’t have to go through security to enter it, since the sidewalks won’t take you there. There’s nothing to keep those without tickets from standing near the gate. No planes are boarding passengers in Zone A. She can’t have packed or sold her sofa; he won’t need to find someone to take over their lease. She can’t touch his chin with her thumb or tuck his hair into place. He can’t blot his eyes with his sleeve.
Sky Harbor has no Terminal One, so they can’t possibly be standing in it, saying goodbye.