Fruit ripens right before the starvation season; winter in the temperate zones and the dry season in the tropics.

Loading up on fruit before the starvation season helped early humans survive until food became plentiful again but adding a lot of fat to their bodies.

And those humans with a sweet tooth that loved to eat all that fruit passed on those sweet loving genes to their offspring, while those who didn't eat enough fruit died before the starvation season was over.

And not just humans, bears eat protein when the come out of hibernation and stuff themselves on fruit and berries before going back to sleep for the winter.

In 99% of human existence fruit was only available before the starvation season, but now with canning, refrigeration and rapid transportation it is available all year. I don't consider that a good thing.

But that's just me.

Bob