Sorry if I get this wrong but I’m pretty sure it’s a metaphor
Crying when you don’t get your way, because you’re not going to get everything you want. As you get older the level of maturity in you should be increasing.
Well your asking "Can a question be a annotation" And the definition if annotation is "a note of explanation or comment added to a text or diagram." Now looking at that we see "explanation or comment" So in a way...It's more of a answer not a question...
The proverb representing a moral of the story is "Those who live in glass houses should not throw stones"