Like I said, the apple is the universe itself! A universe in the palm of your hand. It's what connects this world and the other world. The other world? The world Campanella and the other passengers are heading to! What does that have anything to do with an apple?
In other words, the apple is also a reward for those who have chosen love over everything else! But everything's over when you're dead. It's not over! What Kenji was trying to say is that's actually where everything begins! I'm not following you at all. I'm talking about love! Why don't you get it?