Was saying “I do” in prison the wrong decision? Gypsy Rose Blanchard shockingly filed for divorce from her estranged husband, Ryan Anderson, earlier this month after marrying him while still serving a 10-year sentence for plotting the 2015 murder of her mother, Dee Dee Blanchard — leaving people with one question: Why?! “They both realized they’d made a mistake getting married. It was too much too soon,” a source recently spilled to a news publication of Gypsy and Ryan, who first connected with the then-inmate in 2020, when he sent a letter to her and realized their chemistry shortly after. “R…