The axis aren't labeled properly. That's likely why we can't make sense of the diagrams.
Everyone elses life oscillates over time between positive and negative... OP's life's Y is X cubed. And it somehow contains big blue dots on the whole numbers... They consider that odd. And I'd agree.
I see this wrong... I saw in the other reactions.
But first one is normal with ups and downs and the second one has to be mirrord... Down down down it goos. For my depressed alter ego that is the way life is.