Zexion very briefly considered sending Kaito back with the supplies alone, but then decided against it on the principle that there were possibly too many unknowns which could likely happen to turn a simple task into a veritable nightmare. Best not to risk something possibly happening to both the boy and the food, when there was somewhat less risk in taking the boy with him on his next errand.
"I've got one other thing I need to see to before we leave, do you mind?" Zexion asked once they'd wrapped up the last of their purchases and were walking away from the market area of the town.