He should know better than try to lie to Loki. His brother has always been the far more talented liar, able to spot a falsehood at a thousand paces and outdo it a hundredfold. But it's neither reason nor rationality in charge of Thor's behavior, not when his truth has been exposed in one blow, like a bandage ripped from a raw wound in a single pull.

And the thought seizes him like a strike of lightning that Loki intends to take the drink away from him. To take away something he needs, even if he does not understand why.

He freezes under his brother's touch, still as a storm that's waiting to break. "It's... not that bad. I'm a grown man, a paying customer, can't I decide that for myself?"