Hominid and human evolution took place over millions and not billions of years, but with the emergence of language there was a further acceleration of time and the rate of change. ↗
Just because you liked something as a youngster doesn't mean you have to like it as an adult. You can change your taste a little bit on the sweets and things like that. ↗
My nutritionist has done a great job in changing my diet after we established I am allergic to things like gluten - I can't eat pizza, pasta and bread. I have lost some weight, but my movement is sharper and I feel great. ↗