https://screenrant.com/young-sheldon-season-7-paige-big-bang-theory-absence-explained/

McKenna Grace's possible return as Paige Swanson in Young Sheldon season 7 can finally answer her biggest mystery in The Big Bang Theory.

What Happened To Paige Swanson On Young Sheldon? Fans Have Some Wild Theories (https://www.looper.com/1551559/young-sheldon-what-happened-to-paige-fan-theories/)

Given how she transforms from child prodigy to troubled teen on "Young Sheldon," fans have their theories about what happened to Sheldon's friend Paige Swanson.