What do you mean Santa is not real!! Who do you think left all these presents at my apartment!?
...to which these children cling...
Santa
Clause has an e at the end, I think.
it gets to the point where people start becoming optimistic instead.
I don't know if compounded disappointment can lead to optimism...
I don't think the end of this should be about the divorce, because it equates the theme of disappointment with your own disappointment, as if you are still struggling with the idea that Santa is not real. It will be better to read some articles about what psychologists say about finding out Santa is not real, and you can cite the articles as you discuss the nature of this disappointment.