Sam gave Dean a nod when his brother appeared and settled next to him.
At the mention of brownies, he gave a polite headshake, fully expecting Dean to accept... although lately Dean's enthusiasm for the things he'd always loved to consume - bacon cheeseburgers, sweets, young ladies with liberal policies - hadn't been up to his traditional standards.
It made Sam worry, but given the situation, well, having the Apocalypse resting firmly on both their shoulders would put anyone off their appetites.
Part of him really hoped Dean went for the brownies.
To Abigale, he simply said, "thank you," as she bustled about seeking the doc.