There is a reason why 10% of the population thinks that cilantro tastes like soap. They are born with a genetic variant known as a single-nucleotide polymorphism.
Why 10% of the Population Hates Cilantro and the Rest Doesn't Know Any Better - Blog - Reason I Am Here - Nacho Caballero
And I agree with you- I so hate when people try and make me eat food items that I tell them that I can't eat. And that it will make me sick. What is with that?
The only exception (and this is really for the kid I mentor) is if you have never tried it. I believe you should eat what your body craves.