There is no actual rule about this. In my experience children are liable to one day decide that they no longer like a thing that they used to enjoy eating all the time.

Wtf am I supposed to do with all these string cheese stickes now? I literally buy them in bulk and she suddenly decides she doesnt like them anymore right after I restocked!

The other one has also declared that balony is gross, after enjoying a balony sandwich for breakfast several times a week for over a year. But thats fine I guess, balony isnt healthy and it is indeed kind gross, but also I still like it and will eat what he doesnt. The problem is that he instead wants avocado toast for breakfast. Hes only 7 and already ruining his chances of ever owning a house.

At the same time though- ask kids about why they don’t like it. I was in my 30s before I realized bananas don’t burn everyone’s mouth. I literally thought burning and itching was part of the flavor profile and most people just like it..? Or like bananas enough to not mind that?

It's probably better not to assume they're just making it up though. Children have more sensitivity to bitterness etc. because they are more vulnerable to dying from poison, it's not just an arbitrary psychological thing.

Yet another person who doesn't believe me when I say that I have a physical reaction to broccoli.

Edit: and even more with the downvotes. Honestly, what is y'all's problem?