Grapefruit. Definitely grapefruit. Struggling to form sentences at the moment so I might be eating a grapefruit, but I have had this before and loved it, so trust me it’s good.
Drink it ice cold and you get sharpness and lots of limes, let it warm up a bit and it softens up and you get kiwis and guavas. There’s probably a clever analogy in there somewhere, but I’m too tired to look for it.