I'm 32 I really cannot eat like I did in my early 20s anymore. Same way I simply cannot handle alcohol without a massive hangover the next day.
Ate a whole bag of hot chips and had 4 taco bell hardshell tacos for dinner last night. Now my face is all puffy and round from the shit sodium they put in manufactured garbage.
This stuff really does effect your mental health if you consume too much of it.
Eat a banana, the potassium will help with water management. Don't chug water. Drink it consistently over the next couple of hours. Your kidneys will process it and you'll piss the excess sodium out soon enough.
If you want to accelerate the process take a hot bath and sweat it out. Edit: do be careful with the bathtub method, I wouldn't do it if you live alone. You run the risk of passing out and that is uhh no good if you are in a tub full of water. You could bundling up, laying on a towel, and piling blankets on top to induce sweating.