Robin makes a potentially fatal mistake, there. In one move, he pulls Tek closer to him and gives any curious eyes even more of a show by lowering his hand like that. While Tek might have been fickle about it on any other occasion, it's exactly what he wants right now.

They're still making progress toward their goal, but the greedy dragon is snuggling up as close as he can to Robin's side as they walk, grinning wide, leaning up toward his neck, and beginning to purr.

Just in case Robin had any doubt about what Tek really wanted to be doing right in that moment.