He Watches, She Enjoys
In cuckold scenes the husband is not betrayed, he is part of the fantasy. These mature hotwives meet other men with their partner's blessing while he watches from a chair, holds the camera or joins in at the end. Teasing, eye contact between the spouses and plenty of playful banter make this one of the most talked-about niches on the site.
Wives who do it without permission are in Cheating. Many hotwives choose big black partners, see Interracial, and swinger couples share in Group Sex.