Jean and probably Rogue (or really, any of the females of the mansion) were the only ones who could dare to remove the bottle from his hand without being concerned about him removing their hand in turn.
"That's right, midterms.." He took a bite out of his half of the sandwich, nodding his head in approval of how it tasted. "I told the professor I wasn't giving any. It's pointless in Self Defense and I don't feel like grading a Japanese midterm. "