Anyone else, who goes by u/hcp56, concurred.
“NTA. It is your meals,” they explained.
“You could have set your medication in it. You could have put a laxative in it or even syrup of ipecac. And I would continue to say not the asshole. When people steal meals, lie about it and really don’t exchange it, they experience what they sow. Foodstuff is highly-priced, in particular milk substitutes. Devoid of changing the food items, he was primarily stealing revenue from your wallet.”