I have a lover& she is married to her husband

i have an lover& she is married she is younger than me she in her thirties she haves two kids from her husband but maybe she want more kids. my wife have a lover that is my lover husband my wife is a lot older she is in her sixthly her lover is in his thirties. my wife do not like anal sex. my lover loves anal sex . but her husband do not like anal sex. so we swap wife's so my wife live with me& my lover live with her husband so when we want to have sex we swap wife s im white male my wife is white my lover is black woman her husband is a black male so my wife is interested in black men im interested in black women