Oh I feel seen.
I was underweight a few years ago, and while it was not entirely healthy, I was indulging in the look and found some XXS Tall pants, in a beautiful blush color. Felt like a fucking supermodel on my way to work. Bought a chai latte, spilled it all over the pants before I ever got to work.
Also covered these white cropped pants. Got them, same sort of thing.
Decided I am not qualified for white pants.
Maybe your brain gave your body a hangover, I once got sick from reading a very vivid description of how a sinus infection starts. Like reading it convinced my body it was happening. The only sinus infection I have ever had. Or maybe you were already getting sick so your mind associated the feeling with drinking. Mind and body are so connected.
Hope you are feeling better now.