Western culture likes to prentend that there's a single template for all humans.

However, there are different metabolisms, hormone ratios, and intesitinal flora/fauna, that make us not medically or nutritionally identical.

The real key to health is paying attention to what your body is telling you.  It's good to experiment though, and part of experimenting is observation.

Also, it sometimes takes a while to "convert" to a new metabolism, body chemistry, etc, if that has been determined to be needed.