Why did I vomit after eating bacon for first time?

i ate a bacon when i was on road trip with my girlfriends friends about three years ago she asked to try it and i did when i swallowed it I stopped the car and vomited on the side of the road i was raised to eat anything pork related and i was curious i haven't eaten any pork since and why did i throw up?
Why did I vomit after eating bacon for first time?
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