https://screenrant.com/georgie-and-mandys-first-marriage-highlights-sheldon-grudge-the-big-bang-theory-explainer/

Georgie & Mandy's First Marriage (https://screenrant.com/db/tv-show/georgie-mandy-s-first-marriage/) proves that Georgie's grudge with Sheldon in The Big Bang Theory is even sadder than it seems, but justified.