Maybe childhood training against choking hazards.
I was once hospitalized for months at 5 years old, and the had exhibitions on the wall of the small stuff kids stuffed into their noses or ears and had to be removed surgically. It was scary. I was afraid of them. The fact I still remember it means it may be traumatic, may have been something like that for you.
How do you handle eating or cooking lentils?
That's an interesting possibility. I don't have any particularly strong memories of being warned about choking hazards, about the only one I remember is warnings about plastic bags.
For lentils, I'm fine handling them in bulk, and eating spoonfuls of them doesn't bother me. When most of them are gone, and there are only a few scattered in my plate or bowl they start to trigger the revulsion a little bit, although not nearly as strong as many other things.
This actually seems to suggest that there is some desensitization going on. I never had lentils until I ...
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