They are delicious. You are trying to eat the wrong part.

(And don’t bother, you won’t be able to eat the poisonous part anyway.)

Yes, when it’s red and shiny like the middle one in op’s pic.

It has a basic taste (as in the opposite of an acidic taste) and you can put a pinch of salt on the meat of the fruit to season it a bit.

It’s so juicy and refreshing!