When you think they are cheating you let them . Be sure to tell them how good the pussy is cuz shes so turned on for you L O L ya shes full of lovers seed . She will not clean up as good ,and you get good cum filled pussy to eat
I think she got fucked by the guy she would spend the night with .Same b s that my wife told me . I love being a sissy cuck you will to ,after you start cleaning her cum filled pussy up