In a real NTR scenario, where the husband is fucked in front of his wife while she moans and watches him masturbate, and then runs back to her husband to let him rub against her after the other man ejaculates inside her, who would find this most exciting?

In a real NTR scenario, the woman gets fucked in front of her husband while he listens to her moaning and watches her masturbate. Afterward, she waits for someone else to ejaculate inside her before running back to her husband and letting him rub against her. Who finds this most exciting?