TIFU by food-poisoning myself twice on the same meal

Obligatory "this didn't happen today but previously."

I bought myself some shrimp at the seafood counter, and that night made a nice teriyaki stir fry with some veggies and rice. Since I made a few servings but live alone, I put the leftovers in the fridge for the next day.

That night, I felt a little stomach sick. It was just a mild nauseous feeling, no vomiting or diarrhea. So it was uncomfortable but not a huge deal. Only, I wasn't sure if it was over the shrimp dish I ate, or something I ate earlier in the day, or just some stomach bug, or just my digestive system being fussy as it sometimes is for no good reason.

Being the scientifically minded sort, I decided it was best to investigate. I had posted on social media about the meal and feeling slightly sick and how I was going to eat the leftovers, and many friends told me that was dumb and that I should just throw them away to be safe. Obviously, these are not scientifically minded friends! Where would civilization be if no one had the curiosity to pursue scientific investigation?

So, yeah. It was the shrimp dish. I was the sickest I had ever been after eating those leftovers, out of both ends, with crippling stomach cramps. I was supposed to fly out to Key West for the weekend too, and had to cancel. I lost out on one night's hotel cost for the cancellation but got the rest refunded, and flight credit for the flight I had to cancel. I spent the entire weekend miserable and only barely recovered for Monday work.

Now, I did have one last serving of shrimp in the fridge. A less curious person would assume if you got sick twice after eating the same dish, there was something wrong with the dish and you should definitely not eat it again. I, being a more curious person, knew that you couldn't rule out coincidence with 100% certainty, and to better verify that the shrimp was the culprit I should try it again.

However, my less curious friends who heard of my plans insisted that I was an idiot and that eating 4-day old shrimp that had most likely food poisoned me twice already was beyond moronic. I reluctantly caved and threw it away, thus setting scientific progress back years, probably.

tl;dr Ate some cooked shrimp, got sick, then ate the same cooked shrimp the next day and felt like I was nearly dying. Friends kept me from eating the lefovers a third time to truly complete the scientific experiment.