The car Robotman and Dorothy drive in is a replica of James Dean's Porsche 550 Spyder that he died in a crash September 30, 1955.
In a flashback RJ expresses contempt for Cliff's marriage and tells Cliff, "When that baby doctor asks if you want the husband stitch, you tell him, "I'll take two." ." In childbirth it is common for the mother's perineum to rip; the delivering OB-GYN will suture that rip. In the old patriarchal days the Dr. would offer to put in an extra stitch to make the vagina feel tighter for the husband's pleasure. In those days the suggestion that a woman's vagina was loose was a suggestion that she was overly promiscuous.
Michael Harney and Diane Guerrero both starred on Orange is the New Black together.