aha moment

a moment of sudden insight or discovery.

"A moment of sudden inspiration, insight, recognition or comprehension."

"he had an aha moment when looking at my medications past and present"

christmas is early this year

The meaning of the phrase 'Christmas came early' is rather straight forward — that is to depict when something good happens to you unexpectedly, and it feels like Santa brought you an early present.

- she found her cat! Christmas is early this year!