Why do babies like or not like certain food?

SorrowPlays
This is another question for another argument with my brother. We're twins guys, so its fair to say we argue a lot.

He is confused and baffled by the idea of my answer being that babies have opinions and preferences, based off of both their taste buds and mothers diet. He feels that it doesn't make sense for a baby that has no experience with a food to not like it. That we like the foods we do because of past experiences and not liking a food that is nutritional from first taste doesn't make sense either. Its not something designed to help the body out so why does it happen?

Won't take my response as an answer. Help me out?
Why do babies like or not like certain food?
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