By Greg Bishop,Conor Orr The stars—McVay and Stafford, Kupp and Donald, and more—recount a championship season beyond belief. The trip that changed the 2021 NFL season started with an unusual forecast for Los Angeles: gloomy, with a significant chance of rain. The weather matched the mood of the Rams football team, after the Packers ended their season with a bludgeoning at Lambeau Field. Veronika Khomyn knew her fiancé, Sean McVay, needed to get away. So she called Melissa Whitworth, whose husband, Andrew, played left tackle for McVay. “Do you want to get out of here?” Khomyn asked. No hesitat…