Could be the case caffeine actually gets you addicted to bitter taste, instead of just indicating people with bitter taste preference, Pavlov style? Coffee is b

Could be the case caffeine actually gets you addicted to bitter taste, instead of just indicating people with bitter taste preference, Pavlov style? Coffee is bitter, coffee is addictive. Perhaps this addiction to bitterness transfer to other foodstuff (vegetables). Decaffeinated coffee wouldn't allow the same transfer, by lack of the addictive ingredient.