Miguel couldn't see where they're going—he's the one who was assigned to carry the Peppa Pig stuffed toy and the two dinosaurs, while Claire has the big teddy bear in her arms, walking with that spring in her gait like a child on the first day of summer. Only Gabriel is carrying nothing—he's not officially part of this date. He's just the third wheel. So the unspoken disposition is that why make Gabriel carry anything when he's not supposed to officially participate?